Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

If a + b = 25, then (a – 15)3 + (b – 10)3 is:

Options:

125

0

624

225

Correct Answer:

0

Explanation:

If a + b = 25, then (a – 15)3 + (b – 10)3

Put the value of a = 15 and b = 10

(a – 15)3 + (b – 10)3 = (15 – 15)3 + (10 – 10)3

(a – 15)3 + (b – 10)3= 0