[B].
[C].
[D].
Answer: Option C
Explanation:
There are two series, beginning respectively with 3 and 7. In one 3 is added and in another 2 is subtracted.
The next number is 1 – 2 = -1.
[B].
[C].
[D].
Answer: Option C
Explanation:
Then number 6×2 must be divisible by 8.
x = 3, as 632 is divisible 8.
[B].
[C].
[D].
Answer: Option A
Explanation:
Arun : Kamal : Vinay = (8,000 x 6) : (4,000 x 8) : (8,000 x 8)
= 48 : 32 : 64
= 3 : 2 : 4.
| Kamal’s share = Rs. | 4005 x | 2 | = Rs. 890. | ||
| 9 |
A. 16
B. 8
C. 12
D. 20
Explanation:
100 —- 200 —- 4
400 —- 4
800 —- 4
——
12 years
[B].
[C].
[D].
Answer: Option B
Explanation:
| 4 | A | = | 2 | B | |
| 15 | 5 |
| A = | 2 | x | 15 | B | |
| 5 | 4 |
| A = | 3 | B |
| 2 |
| A | = | 3 | |
| B | 2 |
A : B = 3 : 2.
| B’s share = Rs. | 1210 x | 2 | = Rs. 484. | ||
| 5 |
[B].
[C].
[D].
Answer: Option B
Explanation:
Let their investments be Rs. x for 14 months, Rs. y for 8 months and Rs. z for 7 months respectively.
Then, 14x : 8y : 7z = 5 : 7 : 8.
| Now, | 14x | = | 5 | 98x = 40y y = | 49 | x |
| 8y | 7 | 20 |
| And, | 14x | = | 5 | 112x = 35z z = | 112 | x = | 16 | x. |
| 7z | 8 | 35 | 5 |
| x : y : z = x : | 49 | x | : | 16 | x | = 20 : 49 : 64. |
| 20 | 5 |
[B].
[C].
[D].
Answer: Option C
Explanation:
6) 4456 (742
42
—
25
24 Therefore, Required number = (6 – 4) = 2.
—
16
12
—
4