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Q:

If a soldier fires 7 shots from a gun in 12 minutes then find the total number of shots fired by the man in 3/2 hrs.

A) 45 B) 44
C) 46 D) 47
 
Answer & Explanation Answer: C) 46

Explanation:

Here given soldier shots 7 shots in 12 min

=> 1 shot doen't take any time in 12 min 

=> Only 6 shots take 12 min 

12 min ------ 6 shots 

90 min ------ ? shots 

=> 90 x (6/12) = 45 

Therefore, total shots fired in 90 minutes = 45 + 1 = 46 shots.

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Filed Under: Time and Work
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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

=> 5p + 46p + 4 = 67

=> 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:

Pinaka is a

A) a multi barrel rocket launcher developed by DRDO B) a rocket launcher developed by France
C) a missile developed by DRDO D) a missile imported from Russia
 
Answer & Explanation Answer: A) a multi barrel rocket launcher developed by DRDO

Explanation:

1. Pinaka is a multi barrel rocket launcher developed by the Defence Research and Development Organisation (DRDO) for the Indian Army.

2. The system has a maximum range of 40 km for Mark-I and 75 km for Mark-II, and can fire a salvo of 12 rockets in 44 seconds.

3. The system is mounted on a Tatra truck for mobility.

4. Actually, the meaning of Pinaka is Shiv Dhanush.

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Filed Under: General Awareness
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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 7P7 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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