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When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students?
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A and B go cycling in the same direction with speeds of 6 km/hr. and 12 km/hr. A car from behind passes them in 9 and 10 seconds respectively. What is the speed of the car?
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A sum of Rs. 4000 amounts to Rs. 4600 in 5 years at a certain rate of simple interest. What would be the amount, if the rate of interest is increased by 3 %?
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For a candidate to clear an examination, he/she must score 55% marks. If he/she gets 120 and fails by 78 marks, the total marks for the examination is
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A man on tour travels first 160 km at 64 km/hr. and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:
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Shyam can do a job in 20 days, Ram in 30 days and Singhal in 60 days. If Shyam is helped by Ram and Singhal every 3rd day, how many days will it take for them to complete the job?
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A trader has 200 kg of sugar, out of which he sells some with 10% profit and the rest with 25% profit. He gains 15% on the whole. Find the quantity of sugar sold at 25% profit?
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P, Q, R subscribe Rs. 50,000 for a business. P subscribes Rs. 4000 more than Q and Q Rs. 5000 more than R. Out of a total profit of Rs. 25,000, what will be Ps share?
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Nehas mother was four times her age 12 years ago. She will be twice as old as Neha 12 years from now. What is the present age of Nehas mother?
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Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively. If they cross each other in 23 seconds, what is the ratio of their speeds?
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