Advertisements
Advertisements
प्रश्न
If a 25 cm long candle burns for 45 minutes, how long will another candle of the same material and same thickness but 5 cm longer than the previous one, burn?
उत्तर
25 cm long candle burn in = 45 minutes
1 cm long candle will burn in = `45/25` minutes
25 + 5 = 30 cm long candle will burn in
`= (45 xx 30)/25` minutes = 54 minutes
APPEARS IN
संबंधित प्रश्न
Weight of 8 identical articles is 4.8 kg. What is the weight of 11 such articles?
A typist takes 80 minutes to type 24 pages. How long will he take to type 87 pages?
8 men can finish a certain amount of provisions in 40 days. If 2 more men join with them, find for how many days the same amount of provisions be sufficient ?
If interest on Rs. 200 be Rs. 25 in a certain time, what will be the interest on Rs 750 for the same time?
If 3 dozen eggs cost Rs. 90, find the cost of 3 scores of eggs. (1 score = 20)
If the fare for 48 km is Rs. 288, what will be the fare for 36 km?
A carpenter prepares a new chair in 3 days, working 8 hours a day. Atleast how many hours per day must he work in order to make the same chair in 4 days?
A machine is used for making rubber balls and makes 500 balls in 30 minutes. How many balls will it make in 3 1/2 hours?
In a school’s hostel mess, 20 children consume a certain quantity of ration in 6 days. However, 5 children did not return to the hostel after holidays. How long will the same amount of ration last now?
`3 1/2` m of cloth costs Rs. 168; find the cost of `4 1/3` of the same cloth.
