Question

Direct and inverse proportion
Fill in the blanks :-
1. If two quantities vary in such a manner that is __________and __________ then are said to be I direct variation.
2. The time of journey is in ___________ variation with the speed of car.
3. The speed of the moving object varies inversely to the ____________ to cover a certain distance.
4. If 10 men can dig a pit in 14days, in how many days can 20 men dig the pit?
5. If Mohan can do a piece of work in 20 days , ha can do 15 of work in __________days.
6. If x = 7yx = 7y, then x and y are ________________________
7. If the speed of a vehicle increases, the time taken to cover the same distance _________. (increases / decreases)​

Answer 1

Answer:

two quantities vary in such a manner that is and then are said to be I direct variation.

The time of journey is in variation with the speed of car.

. The speed of the moving object varies inversely to the to cover a certain distance.

If 10 men can dig a pit in 14days, in how many days can 20 men dig the pit?