P varies inversely as the square of W. When W = 4, P = 9. Find the value of P when W = 9

A.

729/16

B.

6

C.

4

D.

16/9

E.

4/3

View answer & explanation

Correct answer is D

P α 1/w²; P = K/W²
9 = K/4²; 9 = K/16
K = 9 x 16 = 144
P = K/W²; when w = 9
P = 144/9² = 144/81 = 16/9

See all Mathematics questions & answers

See more WAEC questions & answers

Aptitude Tests

Data Interpretation Questions and Answers

Spatial Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Abstract Reasoning Questions and Answers

Puzzles Questions and Answers

Nigeria General Knowledge Questions and Answers

Numerical Reasoning Questions and Answers

Typing Speed and Accuracy Test

Microsoft Office Questions and Answers

Quantitative Reasoning Questions and Answers

Verbal Reasoning Questions and Answers

Situational Judgement Questions and Answers

Personality Test

View latest jobs in Nigeria today