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Q:

12 boys decided to constribute Rs. 750 each to an Orphange. Suddenly few of them boys dropped out and consequently the rest had to pay Rs. 150 more. Then the number of boys who dropped out?

A) 4	B) 6
C) 2	D) 3

Answer & Explanation Answer: C) 2

Explanation:

Total money decided to contribute = 750 x 12 = 9000

Let 'b' boys dropped

The rest paid 150/- more

=> (12 - b) x 900 = 9000

=> b = 2

Hence, the number of boys who dropped out is 2.

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Filed Under: Average
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Q:

Present ages of Deepa and Hyma are in the ratio of 5:6 respectively. After four years, this ratio becomes 6: 7. What is the difference between their present ages?

A) 6 yrs	B) 4 yrs
C) 8 yrs	D) 2 yrs

Answer & Explanation Answer: B) 4 yrs

Explanation:

Let the present age of Deepa = 5p

Let the present age of Hyma = 6p

After four years their ratio = 6 : 7

=> $\frac{5 p + 4}{6 p + 4} = \frac{6}{7}$

=> 35p + 28 = 36p + 24

=> p = 4

Therefore, the difference between their ages = 24 - 20 = 4 years.

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Filed Under: Problems on Ages
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Q:

Grey Revolution is associated with

A) Cotton	B) Fruits
C) Fertilizers	D) Oil seeds

Answer & Explanation Answer: C) Fertilizers

Explanation:

Grey Revolution is associated with Fertilizers.

Cotton - Silver fiber Revolution

Fruits - Golden Revolution

Oil seeds - Yellow Revolution

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Filed Under: Indian History
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Q:

A passenger train covers the distance between station K and L, 40 minutes faster than a goods train. Find this distance between K and L if the average speed of the passenger train is 50 km/h and that of goods train is 30 km/h?

A) 50 kms	B) 48 kms
C) 46 kms	D) 44 kms

Answer & Explanation Answer: A) 50 kms

Explanation:

Let the distance be 'd' kms.

According to the given data,

$\frac{d}{30} - \frac{d}{50} = \frac{40}{60} hrs = > 6 d = 300 = > d = 50 kms .$

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Filed Under: Problems on Trains
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Q:

How long does a basketball game last?

A) 35 min	B) 55 min
C) 1 hr 15 min	D) 48 min

Answer & Explanation Answer: D) 48 min

Explanation:

A basketball game last for a total of 48 minutes which has 4 quarters of 12 minutes each excluding all timeouts, 15 min half time, fouls,...

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Filed Under: Sports
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Q:

How much does a gallon of water weigh?

A) 2.741 kgs	B) 2.956 kgs
C) 3.418 kgs	D) 3.785 kgs

Answer & Explanation Answer: D) 3.785 kgs

Explanation:

1 Gallon = 3.785 kgs

Gallon is a unit of measurement of liquid.

We know that 1 gallon = 3.785 liters

But we know that,

1 cubic meter = 1000 lit or 1000 kgs

=> 1 lit = 1 kg

Hence, 1 gallon = 3.785 lit = 3.785 kgs.

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Filed Under: Arithmetical Reasoning
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Q:

The new product development process usually starts with

A) idea generation	B) market strategy development
C) concept development	D) idea screening

Answer & Explanation Answer: A) idea generation

Explanation:

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Filed Under: Marketing and Sales
Exam Prep: CAT
Job Role: Analyst

Q:

Find the compound interest on Rs. 2680 at 8% per annum for 2 years ?

A) Rs. 664.21	B) Rs. 548.68
C) Rs. 445.95	D) Rs. 692.57

Answer & Explanation Answer: C) Rs. 445.95

Explanation:

We know Compound Interest = C.I. = P1+r100t - 1

Here P = 2680, r = 8 and t = 2

C.I. = 26801 + 81002-1= 268027252-12= 26802725+12725-1= 2680 5225×225

= (2680 x 52 x 2)/625

= 445.95

Compound Interest = Rs. 445.95

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Filed Under: Compound Interest
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