Discussion
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- Question
What value should come in place of the question mark(?) in the following question?
? x 147 = 6909
Options- A. 37
- B. 47
- C. 27
- D. 67
- Correct Answer
- 47
ExplanationLet N x 147 = 6909
Then, N = 6909 / 147 = 47 - 1. What value should come in place of the question mark(?) in the following question?
87 x? = 3393
Options- A. 39
- B. 49
- C. 27
- D. 67 Discuss
- 2. What value should come in place of the question mark(?) in the following question?
? x 11 = 555555
Options- A. 505
- B. 5050
- C. 50505
- D. 5005 Discuss
- 3. 777777 / 11 =?
Options- A. 7077
- B. 70707
- C. 7707
- D. 7007 Discuss
- 4. 2013 x ....1= 62403
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 5. 2?63 / 11 =233
Options- A. 4
- B. 3
- C. 6
- D. 5 Discuss
- 6. 356 x 936 - 356 x 836 =?
Options- A. 35600
- B. 34500
- C. 49630
- D. 93600 Discuss
- 7. 24 / 18 =? / 6
Options- A. 12
- B. 10
- C. 9
- D. 8 Discuss
- 8. What value should come in place of the question mark(?) in the following question?
√ ? / 196 = 72 / 56
Options- A. 18
- B. 14
- C. 324
- D. 212 Discuss
- 9. If p/q =4/5, then the value of 4/7 + {(2q - p) / (2q + p)} is?
Options- A. 3 / 7
- B. 34
- C. 1
- D. 2 Discuss
- 10. If ? 3 n =81,Then n=?
Options- A. 2
- B. 4
- C. 6
- D. 8 Discuss
Number System problems
Search Results
Correct Answer: 39
Explanation:
Let 87 x N = 3393
Then, N = 3393 / 87 =39 .
Correct Answer: 50505
Explanation:
Let N x 11 = 555555
Then N = 555555 / 11 = 50505.
Correct Answer: 70707
Explanation:
777777 / 11 = 70707.
Correct Answer: 3
Explanation:
Let 2013 x N = 62403.
Then, N = 62403 / 2013 = 31
? Missing digit is 3.
Correct Answer: 5
Explanation:
Let N / 11 = 233
Then, N = 233 x 11 = 2563
? Missing digit is 5.
Correct Answer: 35600
Explanation:
356 x 936 - 356 x 836 = 356 x (936 - 836 )
= 356 x 100
= 35600.
Correct Answer: 8
Explanation:
Let 24 / 18 = N / 6
Then, 18N = 24 x 6
? N = ( 24 x 6) / 18
= 8.
Correct Answer: 324
Explanation:
√ N / 196 = 72 / 56 =9/7
Then, N/196 = 9/7 x 9/7 = 81 / 49
So, N = (81 x 196) / 49 = 324.
Correct Answer: 1
Explanation:
Given Exp. = 4 / 7 + {(2q - p) / (2q + p)}
Dividing numerator as well as denominator by q,
Exp = 4/7 + {2-p/q) / (2 + p/q)}
= 4/7 + {(2 - 4/5) / (2 + 4/5)}
= 4/7 + 6/14
= 4/7 + 3/7
=7/7
=1.
Correct Answer: 8
Explanation:
? ?3n = 81
? 3n/2= 34
? n/2 = 4
? n = 8.
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