Discussion
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- Question
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
- Correct Answer
- 114
- 1. 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
- 2. Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 429, then what is the difference between the first and the third number?
Options- A. 412
- B. 468
- C. 517
- D. 427 Discuss
- 3. The sum of a non-zero number and thrice its reciprocal is 52/7. Find the number.
Options- A. 8
- B. 9
- C. 7
- D. 6 Discuss
- 4. If the number 583_437 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be
Options- A. 4
- B. 5
- C. 3
- D. 6 Discuss
- 5. What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?
Options- A. 104
- B. 140
- C. 84
- D. 98 Discuss
- 6. 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
- 7. 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
- 8. A number is greater than twice its reciprocal by 31/4. Find the number.
Options- A. 7
- B. 8
- C. 9
- D. 6 Discuss
- 9. 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 Discuss
- 10. 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
Numbers problems
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Correct Answer: 65952
Correct Answer: 468
Correct Answer: 7
Correct Answer: 6
Correct Answer: 104
Correct Answer: 1
Correct Answer: 8, 9
Correct Answer: 7
Correct Answer: 39
Correct Answer: 88
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