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Quantitative Aptitude Objective Questions { Problems on Numbers }



57. A number of two digits has 3 for its unit?s digit, and the sum of digits is 1/7 of the number itself. The number is
A.43
B.53
C.63
D.73

58. A two-digit number exceeds the sum of the digits of that number by 18. If the digit at the unit?s place is double the digit in the ten?s plac?, what is the number ?
A.24
B.42
C.48
D.Data inadequate

59. The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number ? .
A.69
B.78
C.96
D.Cannot be determined

60. In a two-digit number, if it is known that its units digit exceeds its ten?s digit by 2 and that the product of the given numbr ahd the sum of its digits is equal 144, then the number is :
A.24
B.26
C.42
D.46

61. A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by :
A.3
B.5
C.9
D.11

62. The sum of the digits of a two-digit number is 9 less than the number. Which of the following digits is at unit?s place of the number ?
A.1
B.2
C.4
D.Data inadequate

63. The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number ?
A.3
B.4
C.9
D.Cannot be determined

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