[B].
[C].
[D].
Answer: Option B
Explanation:
There are two series (10, 13, 16, 19) and (5, 10, 20, 40), one increasing by 3 and the other multiplied by 2.
[B].
[C].
[D].
Answer: Option B
Explanation:
| Dividend on Rs. 20 = Rs. | 9 | x 20 | = Rs. | 9 | . | ||
| 100 | 5 |
Rs. 12 is an income on Rs. 100.
| Rs. | 9 | is an income on Rs. | 100 | x | 9 | = Rs. 15. | ||
| 5 | 12 | 5 |
[B].
[C].
[D].
Answer: Option C
Explanation:
Let the number of students in rooms A and B be x and y respectively.
Then, x – 10 = y + 10 x – y = 20 …. (i)
and x + 20 = 2(y – 20) x – 2y = -60 …. (ii)
Solving (i) and (ii) we get: x = 100 , y = 80.
The required answer A = 100.
| 699 |
| 301 |
[B].
| 1000 |
| 301 |
[C].
[D].
Answer: Option B
Explanation:
| log2 10 = | 1 | = | 1 | = | 10000 | = | 1000 | . |
| log10 2 | 0.3010 | 3010 | 301 |
[B].
[C].
[D].
Answer: Option B
Explanation:
The smallest prime number is 2.
[B].
[C].
[D].
Answer: Option D
Explanation:
The year 2006 is an ordinary year. So, it has 1 odd day.
So, the day on 8th Dec, 2007 will be 1 day beyond the day on 8th Dec, 2006.
But, 8th Dec, 2007 is Saturday.
8th Dec, 2006 is Friday.
[B].
[C].
[D].
Answer: Option A
Explanation:
Let the length of the wire be h.
| Radius = | 1 | mm | = | 1 | cm. | Then, |
| 2 | 20 |
| 22 | x | 1 | x | 1 | x h = 66. | |
| 7 | 20 | 20 |
| h = | 66 x 20 x 20 x 7 | = 8400 cm = 84 m. | ||
| 22 |