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- Question
Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
Options- A. 39
- B. 93
- C. 63
- D. 36
- Correct Answer
- 39
- 1. A number is greater than twice its reciprocal by 31/4. Find the number.
Options- A. 7
- B. 8
- C. 9
- D. 6 Discuss
- 2. What is the value of 2 consecutive natural numbers, sum of whose squares is 145?
Options- A. 8, 9
- B. 6, 7
- C. 13, 14
- D. 9, 10 Discuss
- 3. If the sum of a number and its reciprocal be 2, then the number is
Options- A. 0
- B. 1
- C. -1
- D. 2 Discuss
- 4. Of the 5 numbers whose average is 76, the first is 3/7 times the sum of other 4. The first number is
Options- A. 171
- B. 114
- C. 76
- D. 228 Discuss
- 5. The difference between the greatest and least five digit numbers formed by the digits 2,5,0,6,8 is (repetition of digits are not allowed)
Options- A. 69552
- B. 65925
- C. 65952
- D. 63952 Discuss
- 6. The average of 29 consecutive even integers is 60. The highest of these integers is
Options- A. 88
- B. 118
- C. 176
- D. 120 Discuss
- 7. Select the correct option: Convert decimal 101 to binary .
Options- A. 1101001
- B. 1100111
- C. 1101011
- D. 1100101 Discuss
- 8. The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
Options- A. -22
- B. -25
- C. -19
- D. -28 Discuss
- 9. What least number must be subtracted from 3401, so that the sum is completely divisible by 11?
Options- A. 3
- B. 1
- C. 2
- D. 0 Discuss
- 10. If the Arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is
Options- A. 10
- B. 12
- C. 14
- D. 16 Discuss
Numbers problems
Search Results
Correct Answer: 7
Correct Answer: 8, 9
Correct Answer: 1
Correct Answer: 114
Correct Answer: 65952
Correct Answer: 88
Correct Answer: 1100101
Correct Answer: -19
Correct Answer: 2
Correct Answer: 16
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