31. |
On dividing a number by 5, we get 3 as remainder. What will the remainder when the square of the this number is divided by 5 ? |
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33. |
A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4-digit number 13b7, which is divisible by 11. Then, (a + b) = ? |
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34. |
How many natural numbers are there between 23 and 100 which are exactly divisible by 6 ? |
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35. |
How many of the following numbers are divisible by 3 but not by 9 ? |
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