DIVISIBILITY
1. The least number of five digits which is exactly
divisible by 12, 15 and 18, is:
1)10010
2)10015
3)10020
4)10080
2. The greatest number of four digit which is divisible by
15, 25, 40 and 75 is:
1) 9000
2)9400
3)9600
4)9800
3. The least number which should be added to 2497 so that
the sum is exactly divisible by 5, 6, 4 and 3 is:
1)3
2)13
3)23
4)33
4. The least number which is a perfect square and is
divisible by each of the numbers 16, 20 and 24 is
1)1600
2)3600
3)6400
4)14400
5. The smallest number which when diminished by 7, is
divisible by 12, 16, 18, 21 and 28 is:
1)1008
2)1015
3)1022
4)1032
6. The least number which when increased by 5 is divisible
by each one of 24, 32, 36 and 54, is:
1) 427
2)859
3)869
4) 4320
7. The least number, which when divided by 12, 15, 20 and 54
leaves in each case a remainder of 8, is:
1) 504
2)536
3)544
4)548
8. The largest four digit number which when divided by 4, 7
or 13 leaves a remainder of 3 in each case, is:
1) 8739
2)9831
3)9834
4)9893
9.let the least number of six digits which when divided by
4, 6, 10, and 15, leaves in each case the same reaminder of 2, be N. the sum of
the digits in N is:
1)3
2)4
3)5
4)6
10. The least multiple of 7, which leaves a remainder of 4,
when divided by 6, 9, 15 and 118 is:
1)74
2)94
3) 184
4) 364
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