Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

Solve the following:

113 × 87 = ?

Options:

9831

10026

10169

10000

Correct Answer:

9831

Explanation:

113 × 87 = ?

a2 - b2 = (a + b) (a – b)

= (100 + 13) (100 – 13)

= 1002 - 132

= 10000 – 169

= 9831