Advertisements
Advertisements
Question
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Distance travelled by an auto-rickshaw and time taken.
Advertisements
Solution
Distance travelled by an auto-rickshaw and time taken are directly proportional to each other.
E.g. Let an auto-rickshaw takes 2 h to travel 10 km.
Then, it will take 4 h to travel 20 km.
APPEARS IN
RELATED QUESTIONS
In a model of a ship, the mast is 9 cm high, while the mast of the actual ship is 12 m high. If the length of the ship is 28 m, how long is the model ship?
Rohit bought 12 registers for Rs 156, find the cost of 7 such registers.
If 12 boys earn Rs 840 in 7 days, what will 15 boys earn in 6 days?
If 9 girls can prepare 135 garlands in 3 hours, how many girls are needed to prepare 270 garlands in 1 hour?
If 7 kg onions cost 140 rupees, how much must we pay for 12 kg onions?
Two mobiles cost 16,000 rupees. How much money will be required to buy 13 such mobiles?
Length of a side of a square and its area vary directly with each other.
If Naresh walks 250 steps to cover a distance of 200 metres, find the distance travelled in 350 steps.
From the following table, determine if x and y are in direct proportion or not.
| x | 1 | 4 | 9 | 20 |
| y | 1.5 | 6 | 13.5 | 30 |
Ravi starts for his school at 8:20 a.m. on his bicycle. If he travels at a speed of 10 km/h, then he reaches his school late by 8 minutes but on travelling at 16 km/h he reaches the school 10 minutes early. At what time does the school start?
