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- Question
If A = 232, B = 231+ 230+ 229+ ... + 20 and C = 315+ 314+ 313+ ... + 30 , then which of the following option is TRUE?
Options- A. C > B > A
- B. C > A > B
- C. A > B > C
- D. A > C > B
- Correct Answer
- C > A > B
- 1. If A = 1 ? 10 + 3 ? 12 + 5 ? 14 + 7 + ... upto 60 terms, then what is the value of A?
Options- A. ? 360
- B. ? 310
- C. ? 240
- D. ? 270 Discuss
- 2. Three numbers are in Arithmetic Progression (AP) whose sum is 30 and the product is 910. Then the greatest number in the AP is
Options- A. 17
- B. 15
- C. 13
- D. 10 Discuss
- 3. What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?
Options- A. -75
- B. 55
- C. 11
- D. 100 Discuss
- 4. What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?
Options- A. 192
- B. 230
- C. 102
- D. 214 Discuss
- 5. What least number must be added to 4131, so that the sum is completely divisible by 19?
Options- A. 10
- B. 11
- C. 9
- D. 12 Discuss
- 6. If N = 1 + 11 + 111 + 1111 + ... +111111111, then what is the sum of the digit's of N?
Options- A. 45
- B. 18
- C. 36
- D. 5 Discuss
- 7. What is the sum of first 40 terms of 1 + 3 + 4 + 5 + 7 + 7 + 10 + 9 + ....?
Options- A. 1010
- B. 1115
- C. 1030
- D. 1031 Discuss
- 8. Insert the missing number. 7, 26, 63, 124, 215, 342, (....)
Options- A. 391
- B. 421
- C. 481
- D. 511 Discuss
- 9. Find the odd man out. 41, 43, 47, 53, 61, 71, 73, 81
Options- A. 41
- B. 61
- C. 71
- D. 81 Discuss
- 10. Insert the missing number. 8, 7, 11, 12, 14, 17, 17, 22, (....)
Options- A. 20
- B. 22
- C. 24
- D. 27 Discuss
Numbers problems
Search Results
Correct Answer: ? 270
Correct Answer: 13
Correct Answer: 11
Correct Answer: 102
Correct Answer: 11
Correct Answer: 45
Correct Answer: 1030
Correct Answer: 511
Explanation:
Numbers are (23 - 1), (33 - 1), (43 - 1), (53 - 1), (63 - 1), (73 - 1) etc.
So, the next number is (83 - 1) = (512 - 1) = 511.
Correct Answer: 81
Explanation:
Each of the numbers except 81 is a prime number.
Correct Answer: 20
Explanation:
There are two series (8, 11, 14, 17, 20) and (7, 12, 17, 22) increasing by 3 and 5 respectively.
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