[B].
[C].
[D].
Answer: Option C
Explanation:
Each of the numbers except 21 is an even number.
[B].
[C].
[D].
Answer: Option B
Explanation:
Let the height of the building x metres.
Less lengthy shadow, Less in the height (Direct Proportion)
40.25 : 28.75 :: 17.5 : x 40.25 x x = 28.75 x 17.5
| x = | 28.75 x 17.5 |
| 40.25 |
x = 12.5
[B].
[C].
[D].
Answer: Option B
Explanation:
Let original length = x and original breadth = y.
Original area = xy.
| New length = | x | . |
| 2 |
New breadth = 3y.
| New area = | x | x 3y | = | 3 | xy. | ||
| 2 | 2 |
| Increase % = | 1 | xy x | 1 | x 100 | % | = 50%. | |
| 2 | xy |
[B].
[C].
[D].
Answer: Option C
Explanation:
Go on multiplying 2 and adding 1 to get the next number.
So, 39 is wrong.
[B].
[C].
[D].
Answer: Option C
Explanation:
| Amount |
|
||||||||||||
|
|||||||||||||
| = Rs. 35123.20 |
C.I. = Rs. (35123.20 – 25000) = Rs. 10123.20
| 5 |
| 11 |
[B].
| 6 |
| 11 |
[C].
| 7 |
| 11 |
[D].
| 8 |
| 11 |
Answer: Option B
Explanation:
| Part filled by (A + B + C) in 3 minutes = 3 | 1 | + | 1 | + | 1 | = | 3 x | 11 | = | 11 | . | ||||
| 30 | 20 | 10 | 60 | 20 |
| Part filled by C in 3 minutes = | 3 | . |
| 10 |
| Required ratio = | 3 | x | 20 | = | 6 | . | ||
| 10 | 11 | 11 |