# Kerala PSC GK | Practice/Model Maths Questions - 5

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

Kerala PSC GK | Practice/Model Maths Questions - 5
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