Number System MCQs

A number when divided by 195 leaves a remainder 47. If the same number is divided by 15, the remainder will be :

A young girl counted in the following way on the fingers of her left hand. She started calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, little finger 5, then reversed direction, calling the ring finger 6, middle finger 7, index finger 8, thumb 9 and then back to the index finger for 10, middle finger for 11, and so on. She counted upto 1994. She ended on her

The numbers 1, 2, 3, 4, ......, 1000 are multiplied together. The number of zeros at the end (on the right) of the product must be :

The number 89715938* is divisible by 4. The unknown non-zero digit marked as * will be :

If p is a prime number greater than 3, then (p2 - 1) is always divisible by :

The unit's digit of 132003 is :

(46)2 - (?)2 = 4398 - 3066

Given n = 1 + x and x is the product of four consecutive integers. Then which of the following us true ? I. n is an odd integer.II. n is prime.III. n is a perfect square

A boy multiplies 987 by a certain number and obtains 559981 as his answer. If in the answer both 9's are wrong but the other digits are correct, then the correct answer will be :