**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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Data Sufficiency:

Statement 1: The sum of the first n terms of an arithmetic sequence is 5n.

Statement 2: The nth term of the arithmetic sequence 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.