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Q. Two men start together to walk a certain distance, one at 4 km/h and another at 3 km/h. The former arrives half an hour before the later. Find the distance ?
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Q. The compound interest on Rs. 30,000 at 7% per annum for n years is Rs. 4347. The value of n is ?
Q. Two numbers are in the ratio 3:4. Their LCM is 84. The greater number is ?
Q. Three- fifth of the square of a certain number is 126.15 what is the number?
Q. The least number which when increased by 5 is divisible by each one of 24, 32, 36 and 54 is = ?
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