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- Question
What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?
Options- A. 219
- B. 137
- C. 231
- D. 279
- Correct Answer
- 279
- 1. Product of digits of a 2-digit number is 15. If we add 18 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
Options- A. 35
- B. 15
- C. 51
- D. 21 Discuss
- 2. What least number must be added to 1039, so that the sum obtained is completely divisible by 29?
Options- A. 4
- B. 5
- C. 8
- D. 6 Discuss
- 3. Among three numbers , second is twice the first and also thrice the third . If the average of the three numbers is 33 , then the largest number is
Options- A. 36
- B. 54
- C. 62
- D. 72 Discuss
- 4. The 4th term of an arithmetic progression is 15, 15th term is -29, find the 10th term?
Options- A. -5
- B. -13
- C. -17
- D. -9 Discuss
- 5. If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be
Options- A. 1
- B. 0
- C. 2
- D. -1 Discuss
- 6. Number of composite numbers lying between 67 and 101 is
Options- A. 27
- B. 24
- C. 26
- D. 23 Discuss
- 7. Convert decimal 99 to binary.
Options- A. 1100101
- B. 1101001
- C. 11100011
- D. 1100011 Discuss
- 8. The sum of a fraction and 3 times its reciprocal is 19/4. What is the fraction?
Options- A. 3/4
- B. 4/3
- C. 5/4
- D. 4/5 Discuss
- 9. Find the least number which must be subtracted from 18265 to make it a perfect square
Options- A. 30
- B. 38
- C. 40
- D. 45 Discuss
- 10. The least number that must be added to 8961 to make it exactly divisible by 84 is
Options- A. 27
- B. 57
- C. 141
- D. 107 Discuss
Problems on Numbers
Search Results
Correct Answer: 35
Correct Answer: 5
Correct Answer: 54
Correct Answer: -9
Correct Answer: 0
Correct Answer: 27
Correct Answer: 1100011
Correct Answer: 3/4
Correct Answer: 40
Correct Answer: 27
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