H.C.F and L.C.M MCQs
H.C.F and L.C.M MCQs
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1: Find the H.C.F. of 108, 288 and 360.
A. 30
B. 36
C. 40
D. 46
2: Find the L.C.M. of 72, 108 and 2100.
A. 39800
B. 38700
C. 36700
D. 37800
3: Find the H.C.F and L.C.M of 2/3,8/9,16/81 and 10/27
A. 2/81,80/3
B. 2/81,3/80
C. 81/2,80/3
D. 81/2,3/80
4: Two numbers are in the ratio of 15:11. If their H.C.F. is 13, find the numbers.
A. 185,153
B. 195,153
C. 153,195
D. 195,143
5: The H.C.F. of two numbers is 11 and their L.C.M. is 693. If one of the numbers is 77,find the other.
A. 99
B. 95
C. 96
D. 98
6: Find the greatest possible length which can be used to measure exactly the lengths 4 m 95 cm, 9 m and 16 m 65 cm.
A. 48 cm
B. 55 cm
C. 45 cm
D. 50 cm
7: Find the greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively.
A. 129
B. 136
C. 127
D. 199
8: Find the largest number which divides 62, 132 and 237 to leave the same remainder in each case.
A. 36
B. 38
C. 45
D. 35
9: Find the least number which when divided by 6,7,8,9, and 12 leave the same remainder 1 each case
A. 504
B. 505
C. 506
D. 508
10: Find the largest number of four digits exactly divisible by 12,15,18 and 27.
A. 9999
B. 9988
C. 9872
D. 9720
11: Find the smallest number of five digits exactly divisible by 16,24,36 and 54.
A. 10368
B. 10876
C. 10345
D. 10234
12: Find the least number which when divided by 20,25,35 and 40 leaves remainders 14,19,29 and 34 respectively.
A. 1394
B. 1390
C. 1400
D. 1380
13: Find the least number which when divided by 5,6,7, and 8 leaves a remainder 3, but when divided by 9 leaves no remainder .
A. 1683
B. 1892
C. 1762
D. 1823
14: The traffic lights at three different road crossings change after every 48 sec., 72 sec and 108 sec. respectively .If they all change simultaneously at 8:20:00 hours, then at what time they again change simultaneously .
A. 8:26:12 hrs
B. 8:27:12 hrs
C. 7:12:34 hrs
D. 9:12:30 hrs
15: The L.C.M of 64 and another number P is 1216. If the H.C.F is R, the true statement is :
A. R/P=1216/64
B. R*P=1216/64
C. R/P=64/1216
D. P/R=1216/64
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H.C.F and L.C.M MCQs
