2880, 480, 92, 24, 8, 4, 4
Question: 2880, 480, 92, 24, 8, 4, 4
[A].
480
92
24
8
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
Go on dividing by 6, 5, 4, 3, 2, 1 respectively to obtain the next number.
Clearly, 92 is wrong.
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If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ?
Question: If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ?
[A].0.172 [B].
1.72 [C].
17.2 [D].
172 Answer: Option C
Explanation:
29.94 = 299.4 1.45 14.5 = 2994 x 1 [ Here, Substitute 172 in the place of 2994/14.5 ] 14.5 10 = 172 10 = 17.2
It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?
Question:
It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?
[A].Sunday [B].
Saturday [C].
Friday [D].
Wednesday Answer: Option C
Explanation:
On 31st December, 2005 it was Saturday.
Number of odd days from the year 2006 to the year 2009 = (1 + 1 + 2 + 1) = 5 days.
On 31st December 2009, it was Thursday.
Thus, on 1st Jan, 2010 it is Friday.
A train travelling at 48 kmph completely crosses another train having half its length and travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of the platform is
Question: A train travelling at 48 kmph completely crosses another train having half its length and travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of the platform is
[A].400 m [B].
450 m [C].
560 m [D].
600 m Answer: Option A
Explanation:
Let the length of the first train be x metres.
Then, the length of the second train is x metres. 2 Relative speed = (48 + 42) kmph = 90 x 5 m/sec = 25 m/sec. 18 [x + (x/2)] = 12 or 3x = 300 or x = 200. 25 2 Length of first train = 200 m.
Let the length of platform be y metres.
Speed of the first train = 48 x 5 m/sec = 40 m/sec. 18 3 (200 + y) x 3 = 45 40 600 + 3y = 1800
y = 400 m.
The true discount on Rs. 2562 due 4 months hence is Rs. 122. The rate percent is:
Question:
The true discount on Rs. 2562 due 4 months hence is Rs. 122. The rate percent is:
[A].12% [B].
13 1 % 3 [C].
15% [D].
14% Answer: Option C
Explanation:
P.W. = Rs. (2562 – 122) = Rs. 2440.
S.I. on Rs. 2440 for 4 months is Rs. 122.
Rate = 100 x 122 % = 15%. 2440 x 1 3 Simple Interest on a sum at 4% per annum for 2 years is 80. The compound interest on the same sum for the same period is_________?
Simple Interest on a sum at 4% per annum for 2 years is 80. The compound interest on the same sum for the same period is_________?A. Rs. 81.60
B. Rs. 160
C. Rs. 1081.60
D. None of these
Explanation:
Principle = Rs.(8000/8) = Rs. 1000
Therefore, C. I = Rs. [{ 1000 × (1 +4/100)2 – 1000}]
= Rs. 81.60Gauri went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
Question: Gauri went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
[A].Rs. 15 [B].
Rs. 15.70 [C].
Rs. 19.70 [D].
Rs. 20 Answer: Option C
Explanation:
Let the amount taxable purchases be Rs. x.
Then, 6% of x = 30 100 x = 30 x 100 = 5. 100 6 Cost of tax free items = Rs. [25 – (5 + 0.30)] = Rs. 19.70