[B].
[C].
[D].
Answer: Option E
Explanation:
A x 2 + 1, B x 3 + 1, C x 2 + 1, D x 3 + 1 and so on.
So, 356 is wrong.
[B].
[C].
[D].
Answer: Option A
Explanation:
| 20% of a = b | 20 | a = b. |
| 100 |
| b% of 20 = | b | x 20 | = | 20 | a x | 1 | x 20 | = | 4 | a = 4% of a. | ||||
| 100 | 100 | 100 | 100 |
[B].
[C].
[D].
Answer: Option D
Explanation:
We need to know the S.I., principal and time to find the rate.
Since the principal is not given, so data is inadequate.
[B].
[C].
[D].
Answer: Option B
Explanation:
| Speed of the train relative to man | = (63 – 3) km/hr | |||||||
| = 60 km/hr | ||||||||
|
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|
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| Time taken to pass the man |
|
|||||||
| = 30 sec. |
[B].
[C].
[D].
Answer: Option D
Explanation:
This is an A.P. in which a = 51, l = 100 and n = 50.
| Sum = | n | (a + l) | = | 50 | x (51 + 100) = (25 x 151) = 3775. |
| 2 | 2 |
[B].
[C].
[D].
Answer: Option A
Explanation:
By hit and trial, we find that
47619 x 7 = 333333.