Advertisements
Advertisements
प्रश्न
Which of the following vary inversely with each other?
विकल्प
Speed and distance covered.
Distance covered and taxi fare.
Distance travelled and time taken.
Speed and time taken.
उत्तर
Speed and time taken.
Explanation:
We know that, when we increases the speed, then the time taken by vehicle decreases.
Hence, speed and time taken vary inversely with each other.
APPEARS IN
संबंधित प्रश्न
A car takes 2 hours to reach a destination by travelling at the speed of 60 km/h. How long will it take when the car travels at the speed of 80 km/h?
A work-force of 420 men with a contractor can finish a certain piece of work in 9 months. How many extra men must he employ to complete the job in 7 months?
A car can finish a certain journey in 10 hours at the speed of 48 km/hr. By how much should its speed be increased so that it may take only 8 hours to cover the same distance?
18 men can reap a field in 35 days. For reaping the same field in 15 days, how many men are required?
Mary cycles at 6 km per hour. How long will she take to reach her Aunt’s house which is 12 km away? If she cycles at a speed of 4 km/hr, how long would she take?
6 pipes are required to fill a tank in 1 hour 20 minutes. How long will it take if only 5 pipes of the same type are used?
Forty students stay in a hostel. They had food stock for 30 days. If the students are doubled then for how many days the stock will last?
A toy company requires 36 machines to produce car toys in 54 days. How many machines would be required to produce the same number of car toys in 81 days?
Find the values of x and y if a and b are in inverse proportion:
- 12 x 8
- 30 5 y
If a and b vary inversely to other, then find the values of p, q, r ; x, y, z and l, m, n.
| a | l | 9 | n | 6 |
| b | 5 | m | 25 | 10 |
