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3081.The price of petrol is increased by 25%. By how much percent a car owner should reduce his consumption of petrol so, that expenditure on petrol would not increase?
3082.The cost price of an article is 64% of the marked price. Calculate the gain percentage after allowing a discount of 12%?
3083.The top of a 15-metre-high tower makes an angle of elevation of 60° with the bottom of an electric pole and angle of elevation of 30° with the top of the pole. What is the height of the electric pole?
3084.An amount of 5000 is invested at a fixed rate of 8 percent per annum. What amount will be the value of the investment in five years’ time, if the interest is compounded every six months?
3085.A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is _____?
3086.If 18 men can eat 20 kg of rice in 3 days how long with 6 men take to eat 40 kg of rice?
3087.Twelve children take sixteen days to complete a work which can be completed by eight adults in twelve days. Sixteen adults started working and after three days, ten adults left and four children joined them. How many days will they take to complete the remaining work?
3088.One Gross is equal to ______?
3089.18, 21, 25, 18, 29, 33, 18, ____, _____?
3090.If Arif can read 39 pages of a book in half an hour. How long will it take him to finish a book that is 1287 pages?