The price (per litre) of petrol increases by 75%. By what percent should its consumption be reduced such that the expenditure on it increases by 47% only?
The marked price of an electronic watch in a store is ₹45,880 and it is available at a discount of 25%. What is the price (in ₹) that a customer pays if he buys it from the store?
Anil has ₹1224 with him. He divided it amongst his sons Ashok and Raj and asked them to invest it at 4% rate of interest compounded annually. It was seen that Ashok and Raj got same amount after 13 and 14 years respectively. How much (in ₹) did Anil give to Raj?
A can do a piece of work in 15 days and B can do it in 24 days. If they do the work alternately, in how many days will they finish the work, provided that A begins the work?
The average weight of Atul, Baban and Rakesh is 46 kg. If the average weight of Atul and Baban be 39 kg and that of Baban and Rakesh be 50 kg, then the weight of Baban (in kg) is: