Problems on H.C.F and L.C.M- Aptitude Questions and Answers

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H.C.F And L.C.M Problems

Problems ON H.C.F And L.C.M- Aptitude Questions and Answers :-

This is aptitude on H.C.F And L.C.M Problems Question and answers with explanation for different interviews and competitive and entrance exams.

1.LCM of 1/3, 5/6, 5/4, 10/7 is:
A. 10/7
B. 10
C. 10/11
D. 11/10

2.The least square number which divides 8, 12 and 18 is?
A. 100
B. 121
C. 64
D. 144

3.The least number which when add 3 to it, completely divided 8, 12 and 18 is?
A. 71
B. 70
C. 69
D. 68

4.The greatest number of five digits which is divisible by 32, 36, 40, 42 and 48 is:
A. 90730
B. 90725
C. 90715
D. 90720

5.The least number of five digits that have 144 their HCF is?
A. 10085
B. 10080
C. 10075
D. 10070

6.The smallest number when increased by ” 1 ” is exactly divisible by 12, 18, 24, 32 and 40 is:
A. 1439
B. 1440
C. 1459
D. 1449

7.Find the least number of five digits which is exactly divisible by 12, 15 and 18?
A. 1080
B. 10080
C. 10025
D. 11080

8. HCF and LCM two numbers are 12 and 396 respectively. If one of the numbers is 36, then the other number is?
A. 36
B. 66
C. 132
D. 264

9.A man was employed on the promise that he will be paid the highest wages per day. The contract money to be paid was Rs. 1189. Finally he was paid only Rs. 1073. For how many days did he actually work?
A. 39
B. 40
C. 37
D. 35

10. A merchant has three different types of milk: 435 liters, 493 liters and 551 liters. Find the least number of casks of equal size required to store all the milk without mixing.
A. 51
B. 61
C. 47
D. 45


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H.C.F and L.C.M
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