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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:

Tehri dam is located on which of the following rivers?

A) Brahmaputra	B) Godavari
C) Ganga	D) Bhagirathi

Answer & Explanation Answer: D) Bhagirathi

Explanation:

Tehri dam is located on the river Bhagirathi.

It is a multi-purpose rock and earth-fill embankment dam on the Bhagirathi River near Tehri in Uttarakhand, India.

It is the primary dam of the THDC India Ltd. and the Tehri hydroelectric complex.

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Filed Under: Indian Geography
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Q:

A collection of interrelated records is called a

A) Datasheet	B) Spreadsheet
C) Database	D) Utility File

Answer & Explanation Answer: C) Database

Explanation:

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Filed Under: Database
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Q:

In how many different ways can the letters of the word 'POVERTY' be arranged ?

A) 2520	B) 5040
C) 1260	D) None

Answer & Explanation Answer: B) 5040

Explanation:

The 7 letters word 'POVERTY' be arranged in $7 P_{7}$ ways = 7! = 5040 ways.

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Filed Under: Permutations and Combinations
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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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