A pipe can fill a cistern in 12mins & another pipe in 15mins, but a third pipe can empty it in 6mins. The first two pipes are kept open for 5mins in the beginning & then the third pipe is also opened. In what time the cistern would be empty? {Plzz explain also_/\_}
A gives both B and C a start of 60 m in a 1500 m race. However, while B finishes with him, C is 15 m behind them when A and B cross the finishing line.
If a 300 m race happens between only B and C, how far will C be behind B?
What is the difference between the compound interest
and simple interest on an amount of Rs. 16200 at the rate of 25% per
annum for 3 years? (upto two decimal places)
14 workers can make 1400 toys in 5 days. one day after they started the work 14 more workers joined them.how many days will take to complete the remaining work?
14 man can complete the work in 12 days.4 days after they started the work,2 more men join them,how many days will they take to complete the remaining work?
A man purchased a cow for Rs. 3000 and sold it the same day for Rs. 3600, allowing the buyer a credit of 2 years. If the rate of interest be 10% per annum, then the man has a gain of:
A jar contained a mixture of two liquids A and B in the ratio 4 : 1. When 10
litres of the mixture was taken out and 10 litres of liquid B was poured into the
jar, this ratio became 2 : 3. The quantity of liquid A contained in the jar initially
was
a. 4 littres
b. 8 litres
c. 16 litres
d. 40 litres
e. 25 litr