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- Question
Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits.What is the original number?
Options- A. 54
- B. 83
- C. 38
- D. 45
- Correct Answer
- 38
- 1. Find 2 consecutive natural numbers, sum of whose squares is 25.
Options- A. 2, 3
- B. 3, 4
- C. 4, 5
- D. 1, 4 Discuss
- 2. A number is greater than five times its reciprocal by 19/2. Find the number.
Options- A. 11
- B. 9
- C. 10
- D. 8 Discuss
- 3. The sum of the digits of a 2digit number is 17. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
Options- A. 89
- B. 98
- C. 78
- D. 87 Discuss
- 4. How many 3 digit numbers are completely divided by 4.
Options- A. 225
- B. 224
- C. 223
- D. 222 Discuss
- 5. Two numbers are 50% and 75% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?
Options- A. 50
- B. 25
- C. 75
- D. 100 Discuss
- 6. Divide 32 into two parts such that the sum of the square of the parts is 674. What is the value of the parts?
Options- A. 22, 10
- B. 30, 2
- C. 25, 7
- D. 20, 12 Discuss
- 7. On dividing a number by 47, we get 75 as quotient and 18 as remainder. What is the number?
Options- A. 3507
- B. 3543
- C. 3489
- D. 3561 Discuss
- 8. The reciprocal of the sum of the reciprocals of 3/8 and 8/11 is:
Options- A. 97/24
- B. 24/97
- C. 88/97
- D. 97/88 Discuss
- 9. The reciprocal of the sum of the reciprocals of 8/7 and 5/6 is:
Options- A. 83/40
- B. 42/83
- C. 83/42
- D. 40/83 Discuss
- 10. The first and last terms of an arithmetic progression are 23 and 42. What is the sum of the series if it has 14 terms?
Options- A. 91
- B. -133
- C. 93
- D. 133 Discuss
Problems on Numbers
Search Results
Correct Answer: 3, 4
Correct Answer: 10
Correct Answer: 89
Correct Answer: 225
Correct Answer: 100
Correct Answer: 25, 7
Correct Answer: 3543
Correct Answer: 24/97
Correct Answer: 40/83
Correct Answer: -133
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