Quantitative Apitude-Problems on Numbers
Quantitative Apitude-Problems on Numbers
71. In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:
- 24
- 26
- 42
- 46
72. Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.
- 3
- 10
- 17
- 20
73. The product of two numbers is 9375 and the quotient, when the larger one is divided by the smaller, is 15. The sum of the numbers is:
- 380
- 395
- 400
- 425
74. The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:
- 20
- 23
- 169
- None of these
75. A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:
- 145
- 253
- 370
- 352
76. The sum of two number is 25 and their difference is 13. Find their product.
- 104
- 114
- 315
- 325
77. What is the sum of two consecutive even numbers, the difference of whose squares is 84?
- 34
- 38
- 42
- 46