LCM and HCF Test 3

LCM and HCF Test 3

  1. how many numbers lie between 300 and 400 when it is divided by 3, 5 and 6 leaves remainder 2 in each case?





  1. find the least perfect square which is exactly divisible by 15, 20, 25 and 30?





  1. find the least perfect cube so that the number is exactly divisible by 10, 15,20 and 25





  1. fin the least number which when decreased by 7 is exactly divisible by 5,4,6 and 8?





  1. find the least number which when increased by 12 is exactly divisible by 10 15 20 and 25





  1. find the number nearest to 1347 when it is dividedĀ  by 11 leaves remainder 3?





  1. what lest number must be subtract from 1279 so that when it is divided by 13 leaves remainder 4?





  1. find the least number of squares tiles requires for a rectangular room of floor 80m*60m?





  1. find the maximum length of each square tle required for a terrace 180 m long and 160 n broad?





  1. the tree number are in the ratio 2:3:5 and their LCM is 120 find the sum of the three numbers?







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