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Number System
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    is equal to :

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In doing a question of division with zero remainder. a candidate took 12 divisor instead of 21. The quotient obtained by him was 35. The correct quotient is :

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The number of prime numbers between 0 and 50 is :

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What number multiplied by 48 will give the same product as 173 multiplied by 240 ?

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What is the minimum number of four digits formed by using the digits 2, 4, 0, 7 ?

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When 2256 is divided by 17, the remainder would be :

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5566 - 7788 + 9988 = ? + 4444

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The sum of the digits of a 3-digit number is subtracted from the number. The resulting number is always :

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The number of zeros at the end of the product 5 × 10 × 15 × 20 × 25 × 30 × 35 × 40 × 45 × 50 is :

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8888 + 848 + 88 - ? = 7337 + 737

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The number π is :

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A number is successively divided by 8, 7 and 3 giving residues 3, 4 and 2 respectively and quotient 31. The number is :

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If x - y = 8, then which of the following must be true ?
I. Both x and y are positive.
II. If x is positive, y must be positive.
III. If x is negative, y must be negative.

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? ×

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If you subtract - 1 from + 1, what will be the result ?

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All natural numbers and 0 are called the ..... numbers.

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For an integer n, n! = n(n - 1) (n - 2) ..... 3.2.1
Then, 1! + 2! + 3! +.....+ 100!, when divided by 5 leaves remainder

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A number is multiplied by 11 and 11 is added to the product. If the resulting number is divisible by 13, the smallest original number is = ?

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The smallest prime number, that is the fifth term of an increasing arithmetic sequence in which all the four preceding terms are also prime, is -

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Among the following statements, the statement which is not correct is :

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