# Data Sufficiency MCQs with Answers

Data Sufficiency MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Data Sufficiency MCQs for Preparation.

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## Data Sufficiency Online MCQs with Answers

Data Sufficiency:
Statement 1: The average age of a group of 10 friends is 30.
Statement 2: The sum of the ages of the 10 friends is 300.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: x + y = 10
Statement 2: x – y = 6
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

d) Neither statement alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The area of a rectangle is 24 square units.
Statement 2: The perimeter of the rectangle is 20 units.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The product of two numbers is 24.
Statement 2: One of the numbers is 6.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

a) Statement 1 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of two numbers is 10.
Statement 2: The difference between the two numbers is 4.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The square root of x is an integer.
Statement 2: x is a perfect square.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

b) Statement 2 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The cost of 3 apples is \$2.
Statement 2: The cost of 4 oranges is \$3.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of three consecutive integers is 30.
Statement 2: The product of three consecutive integers is 360.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

b) Statement 2 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The area of a square is 25 square units.
Statement 2: The perimeter of the square is 20 units.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

a) Statement 1 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of two consecutive integers is 15.
Statement 2: The difference between the two consecutive integers is 1.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The length of a rectangle is 8 units.
Statement 2: The area of the rectangle is 24 square units.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

a) Statement 1 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the digits of a two-digit number is 9.
Statement 2: The difference between the digits of the two-digit number is 3.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The product of two consecutive integers is 24.
Statement 2: One of the consecutive integers is 6.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

b) Statement 2 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the ages of a father and his son is 50.
Statement 2: The father is twice as old as the son.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The length of a rectangle is twice its width.
Statement 2: The area of the rectangle is 24 square units.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the ages of two people is 40.
Statement 2: The difference between their ages is 10.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the digits of a three-digit number is 15.
Statement 2: The difference between the hundreds digit and the units digit is 5.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The product of two numbers is 16.
Statement 2: One of the numbers is 4.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the angles of a triangle is 180 degrees.
Statement 2: Two angles of the triangle are 50 degrees and 80 degrees.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The length of a rectangle is 12 units.
Statement 2: The width of the rectangle is one-third of its length.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

a) Statement 1 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the digits of a two-digit number is 7.
Statement 2: The difference between the tens digit and the units digit is 3.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the first five terms of a sequence is 20.
Statement 2: The common difference of the sequence is 4.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

d) Neither statement alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of three consecutive even integers is 18.
Statement 2: The average of three consecutive even integers is 6.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

a) Statement 1 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the digits of a three-digit number is 12.
Statement 2: The difference between the hundreds digit and the tens digit is 3.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

d) Neither statement alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The product of two consecutive odd integers is 143.
Statement 2: One of the consecutive odd integers is 11.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the digits of a two-digit number is 9.
Statement 2: The difference between the tens digit and the units digit is 2.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the first n terms of a sequence is n^2.
Statement 2: The nth term of the sequence is n.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

b) Statement 2 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the angles of a quadrilateral is 360 degrees.
Statement 2: Two angles of the quadrilateral are 90 degrees and 120 degrees.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

c) Both statements together are sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the squares of two consecutive positive integers is 85.
Statement 2: The difference between the two consecutive positive integers is 1.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

b) Statement 2 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The area of a circle is 25π square units.
Statement 2: The circumference of the circle is 10π units.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.

a) Statement 1 alone is sufficient to answer the question.

Data Sufficiency:
Statement 1: The sum of the digits of a three-digit number is 10.
Statement 2: The difference between the hundreds digit and the units digit is 7.
a) Statement 1 alone is sufficient to answer the question.
b) Statement 2 alone is sufficient to answer the question.
c) Both statements together are sufficient to answer the question.
d) Neither statement alone is sufficient to answer the question.