Q. How many prime numbers are less than 50 ?

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Q. When a number is divided by 13, the remainder is 11. When the same number is divided by 17, then remainder is 9. What is the number ?

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Q. (51 + 52 + 53 + ... + 100) = ?

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Q. (800 ÷ 64) x (1296 ÷36) = ?

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Q. Which natural number is nearest to 8485, which is completely divisible by 75 ?

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Q. If the number 42573 * is exactly divisible by 72, then the minimum value of * is:

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Q. Which of the following numbers is divisible by each one of 3, 7, 9 and 11 ?

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Q. Which natural number is nearest to 9217, which is completely divisible by 88 ?

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Q. (4300731) - ? = 2535618

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Q. n is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2n is divided by 4 ?

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Q. 397 x 397 + 104 x 104 + 2 x 397 x 104 = ?

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Q. (35423 + 7164 + 41720) - (317 x 89) = ?

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Q. (x^n - a^n) is completely divisible by (x - a), when

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Q. Which one of the following numbers is completely divisible by 45?

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Q. Which of the following numbers will completely divide (3^25 + 3^26 + 3^27 + 3^28) ?

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Q. A number when divide by 6 leaves a remainder 3. When the square of the number is divided by 6, the remainder is:

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Q. The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers ?

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Q. What will be remainder when 17^200 is divided by 18 ?

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Q. If 1400 * x = 1050. Then, x = ?

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Q. (1^2 + 2^2 + 3^2 + ... + 10^2) = ?

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