Wednesday , October 21 2020

# Aptitude MCQS test No. 57: Quantitative Reasoning Basic Arithmetic HCF & LCM (I)

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1. Find  the L.C.M. of 24 , 28, 30 and 35 ?

2. What is the H.C.F. of 27, 18 and 36 ?

3. Find the greatest number of five digits which when divided by 8, 9 and 10 leaves 3 as remainder in each case ?

4. The L.C.M. and G.G.D. of two number are 1530 and 51, respectively.Find how many such pairs are possible ?

5. What is the H.C.F. of 4/9 , 10/21 and 20/63 ?

6. What is the greatest number which divides 852, 1065 and 1491 exactly ?

7. Find the greatest number which will divide 25, 73 and 97 so as to leave the same remainder in each case ?

8. Find the greatest number which will divide 2112 and 2792 leaving the remainder 4 in each case ?

9. Find the greatest number that will divide 964, 1238 and 1400 leaving remainders 41, 31 and 51, respectively ?

10. The largest natural number which exactly divides the product of any four consecutive natural number, is ?

11. What is the L.C.M. of 25, 30, 35 and 40 ?

12. Find the greatest number of four digits which when divided by 10, 15, 21 and 28 leaves 4, 9, 15, and 22 as remainders respectively ?

13. The least perfect square number which is divisible by 3, 4, 5, 6 and 8 ?

14. Find the least number of five digits which when divided by 12, 16, 21, 36 and 40 leaves in each case a remainder ?

15. What is the smallest number which when increased by 3 is divisible by 16, 24, 30 and 32 ?

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