TayariHub
Mathematics NULL Medium
Question

A rectangle's length rises 10% and breadth falls 10%. What happens to its area?

A
neither increased nor decreased
B
increased by 1 %
C
decreased by 1 %
✓ Official correct answer
D
decreased by 10 %

Community credibility

Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.

A
neither increased nor decreased
Official option

No member explanations yet for this option.

B
increased by 1 %
Official option

No member explanations yet for this option.

C
decreased by 1 %
Official option

No member explanations yet for this option.

D
decreased by 10 %
Official option

No member explanations yet for this option.

Explanation

Area factor = 1.1 × 0.9 = 0.99 ⇒ area is decreased by 1%.

Related Questions

Q
Probability of something in interest rate of XXX?
Medium · Mathematics
Q
80% of 700 = ________?
Medium · Mathematics
Q
If P is 5 times as large as Q, by what percent is Q less than P?
Medium · Mathematics
Q
Who was Blaise Pascal?
Medium · Mathematics