22, 33, 66, 99, 121, 279, 594
Question:
22, 33, 66, 99, 121, 279, 594
[A].
33
121
279
594
22, 33, 66, 99, 121, 279, 594
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
Each of the number except 279 is a multiple of 11.
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How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?
Question: How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?
[A].25 [B].
30 [C].
40 [D].
45 Answer: Option B
Explanation:
Speed of the train relative to man = (63 – 3) km/hr = 60 km/hr = 60 x 5 m/sec 18 = 50 m/sec. 3 Time taken to pass the man = 500 x 3 sec 50 = 30 sec. 4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?
Question:
4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?
[A].4 [B].
8 [C].
12 [D].
16 Answer: Option D
Explanation:
Let the required number of bottles be x.
More weavers, More mats (Direct Proportion)
More days, More mats (Direct Proportion)
Wavers 4 : 8 :: 4 : x Days 4 : 8 4 x 4 x x = 8 x 8 x 4
x = (8 x 8 x 4) (4 x 4) x = 16.
A 12% stock yielding 10% is quoted at:
Question:
A 12% stock yielding 10% is quoted at:
[A].Rs. 83.33 [B].
Rs. 110 [C].
Rs. 112 [D].
Rs. 120 Answer: Option D
Explanation:
To earn Rs. 10, money invested = Rs. 100.
To earn Rs. 12, money invested = Rs. 100 x 12 = Rs. 120. 10 Market value of Rs. 100 stock = Rs. 120.
Which of the following numbers will completely divide (4915 – 1) ?
Question: Which of the following numbers will completely divide (4915 – 1) ?
[A].8 [B].
14 [C].
46 [D].
50 Answer: Option A
Explanation:
(xn – 1) will be divisibly by (x + 1) only when n is even.
(4915 – 1) = {(72)15 – 1} = (730 – 1), which is divisible by (7 +1), i.e., 8.
If log 2 = 0.3010 and log 3 = 0.4771, the value of log5 512 is:
Question:
If log 2 = 0.3010 and log 3 = 0.4771, the value of log5 512 is:
[A].2.870 [B].
2.967 [C].
3.876 [D].
3.912 Answer: Option C
Explanation:
log5 512 = log 512 log 5 = log 29 log (10/2) = 9 log 2 log 10 – log 2 = (9 x 0.3010) 1 – 0.3010 = 2.709 0.699 = 2709 699 = 3.876 A jar full of whisky contains 40% alcohol. A part of this whisky is replaced by another containing 19% alcohol and now the percentage of alcohol was found to be 26%. The quantity of whisky replaced is:
Question:
A jar full of whisky contains 40% alcohol. A part of this whisky is replaced by another containing 19% alcohol and now the percentage of alcohol was found to be 26%. The quantity of whisky replaced is:
[A].1 3 [B].
2 3 [C].
2 5 [D].
3 5 Answer: Option B
Explanation:
By the rule of alligation, we have:
Strength of first jar
Strength of 2nd jar40% Mean
Strength
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Required quantity replaced = 2 3