Question

breadth Ol
EXERCISE 7.2
1. In which of the following cases, the variation is inverse?
a. Perimeter of a square and length of its side.
b.Time taken to travel a certain distance and speed.
c. Simple interest on a certain sum of money and time, rate being constant.
d. The number of pipes filling a water tank and quantity of water filled in it
2. Which of the following quantities occur in direct ratio?
a. The number of men working and time taken to complete the work.
b. The number of hours of work done and wages paid.
c. The number of winners in a competition and their share in the prize mon
d. The number of currency notes and the bundles to be made.
96
ICSE Mathematics 8​

Answer 1

B ,time taken will be inversely proportionate to speed keeping distance constant