Problems on Numbers for Exam

Q41. 352 * 9 is exactly divisible by 9, then the digit in place of * is
(a) 5
(b) 6
(c) 8
(d) 9

Q42. Which of the following numbers is exactly divisible by 15
(a) 52340
(b) 14720
(c) 91230
(d) 43810

Q43. The bigest number of 5 digits begining with 4 and ending with 6 is
(a) 49966
(b) 49996
(c) 60994
(d) 99466

Q44. By how much is 2/3 rd of 99 is higher than 3/4 th of 52
(a) 19
(b) 22
(c) 24
(d) 27

Q45. If the difference between the reciprocal of a positive proper fraction and the fraction itself be 9/20, the fraction is
(a) 4/10
(b) 4/5
(c) 5/4
(d) 5/7

Q46. In a division sum, the divisor is ten times the quotient and five times the remainder. If the remainder is 46, the dividend is
(a) 5336
(b) 4363
(c) 5636
(d) 6343

Q47. What least number of five digits is exactly divisible by 52
(a) 12514
(b) 12008
(c) 10036
(d) 10006

Q48. The smallest 4 digit prime number is
(a) 1001
(b) 1003
(c) 1007
(d) 1009

Q49. If n is a natural number, then the largest number dividing (n³ - n) is
(a) 6
(b) 3
(c) 4
(d) 12

Q50. A number when divided by 5, leaves 3 as remainder. What will be the remainder when the square of this number is divided by 5
(a) 3
(b) 4
(c) 5
(d) 6

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