1. Which is the least number when it is divided by 7, 13 and 28 the remainder becomes 6:
[a] 365
[b] 370
[c] 376
[d] 388
2. Find the least number which when divided by 16, 18, 20, 25 leaves 4 as reminder in each case but when divided by 7 leaves no remainder:
[a] 18000
[b] 17004
[c] 18004
[d] 18002
3. The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds respectively. If they all change simultaneously at 6:10:00 hours then they will again change simultaneously at :
[a] 6:17:17
[b] 6:17:10
[c] 6:17:12
[d] 6:17:13
4. The greatest number of three digit which is divisible by 5, 15, 21 and 49 is:
[a] 715
[b] 765
[c] 785
[d] 735
5. Find the largest number of four digits which is exactly divisible by 27, 18, 12, 15 is:
[a] 9740
[b] 9730
[c] 9720
[d] 9710
6. The LCM of two numbers is 864 and HCF is 144. If one of the number is 288 The other number is:
[a] 432
[b] 576
[c] 1296
[d] 144
7. HCF of two numbers is 24 and their LCM is 1344. If difference between number is 24. The their sum is:
[a] 364
[b] 356
[c] 332
[d] 360
8. The difference between the simple interest and the compound interest at the rate of 12% per annum on Rs. 5000 for 2 years will be:
[a] Rs. 17.50
[b] Rs. 36
[c] Rs. 45
[d] Rs. 72
9. What least number should be subtracted from 26492528, so that the resulting number is divisible by 3 but not by 9?
[a] 1
[b] 2
[c] 4
[d] 7
10. Which one of the following three digit number divides 9238 and 7091 with the same remainder is each case?
[a] 113
[b] 209
[c] 317
[d] 191
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