Numbers-Data Intensity 2 Multiple Questions and Answers.
Exercise Questions ::
Numbers
| Answer: Option B |
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| Explanation: |
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Required numbers are 102, 108, 114, ... , 996
This is an A.P. in which a = 102, d = 6 and l = 996
Let the number of terms be n. Then,
a + (n - 1)d = 996
102 + (n - 1) x 6 = 996
6 x (n - 1) = 894
(n - 1) = 149
n = 150. |
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Published by:Michael Daani
7. | A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4-digit number 13b7, which is divisible by 11. Then, (a + b) = ? |
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| A. | 10 |
| B. | 11 |
| C. | 12 |
| D. | None of Above |
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| Answer: Option A |
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| Explanation: |
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4 a 3 |
9 8 4 } ==> a + 8 = b ==> b - a = 8
13 b 7 |
Also, 13 b7 is divisible by 11 ==> (7 + 3) - (b + 1) = (9 - b)
(9 - b) = 0
b = 9
(b = 9 and a = 1) ==> (a + b) = 10. |
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Published by:Michael Daani
| Answer: Option C |
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| Explanation: |
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7429 Let 8597 - x = 3071
-4358 Then, x = 8597 - 3071
---- = 5526
3071
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Tutorial Link: |
Published by:Michael Daani
Published by:Michael Daani
| Answer: Option B |
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| Explanation: |
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12345679 x 72 |
= 12345679 x (70 +2) |
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= 12345679 x 70 + 12345679 x 2 |
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= 864197530 + 24691358 |
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= 888888888 |
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Tutorial Link: |
Published by:Michael Daani
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