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Q:

What is the length of the longest pole which can be kept in a room 12 m long, 4 m broad and 3 m high ?

A) 13 m	B) 14 m
C) 15 m	D) 16 m

Answer & Explanation Answer: A) 13 m

Explanation:

The length of the longest pole which can be kept in a room 12 m long, 4 m broad and 3 m high is

=> $d^{2} = 12^{2} + 4^{2} + 3^{2} = 13$ mts.

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Filed Under: Area
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Q:

In a fort, there are 1200 soldiers. If each soldier consumes 3 kg per day, the provisions available in the fort will last for 30 days. If some more soldiers join, the provisions available will last for 25 days given each soldier consumes 2.5 kg per day. Find the number of soldiers joining the fort in that case ?

A) 693	B) 741
C) 528	D) 654

Answer & Explanation Answer: C) 528

Explanation:

Assume x soldiers join the fort. 1200 soldiers have provision for 1200 (days for which provisions last them)(rate of consumption of each soldier)
= (1200)(30)(3) kg.

Also provisions available for (1200 + x) soldiers is (1200 + x)(25)(2.5) k

As the same provisions are available
=> (1200)(30)(3) = (1200 + x)(25)(2.5)

x = ([(1200)(30)(3)] / (25)(2.5)) - 1200 => x = 528.

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Filed Under: Ratios and Proportions
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Q:

A jogger running at 9 km/hr along side a railway track is 260 m ahead of the engine of a 140 m long train running at 45 km/hr in the same direction. In how much time will the train pass the jogger ?

A) 25 sec	B) 40 sec
C) 38 sec	D) 32 sec

Answer & Explanation Answer: B) 40 sec

Explanation:

Speed of train relative to jogger = 45 - 9 = 36 km/hr.
= 36 x 5/18 = 10 m/sec.

Distance to be covered = 260 + 140 = 400 m.

Time taken = 400/10 = 40 sec.

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Filed Under: Problems on Trains
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Q:

Which is in India wins Pierre L'Enfant International Planning Excellence Award 2017 ?

A) Banglore	B) Hyderabad
C) Bhubaneshwar	D) Delhi

Answer & Explanation Answer: C) Bhubaneshwar

Explanation:

The American Planning Association (APA) has announced this year's international excellence award for the Bhubaneswar smart city project.

The award called Pierre L'Enfant International Planning Excellence Award 2017 will be given on May 8 in New York city.

This is the first time in the 50 years history of APA's annual award programme that an Indian city has been recognised for its planning efforts.

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Filed Under: General Awareness
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Q:

Which country is known as land of kangaroo ?

A) France	B) Italy
C) Australia	D) Africa

Answer & Explanation Answer: C) Australia

Explanation:

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Filed Under: Famous Places
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Q:

Find the one which does not belong to that group ?

A) 2T0	B) 1R8
C) 2Y4	D) 1P6

Answer & Explanation Answer: C) 2Y4

Explanation:

The digits on either side of the letter in each of the groups 1P6, 2T0, and 1R8 indicate the place value of the letter in the alphabet.

This pattern is not followed by 2Y4.

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Filed Under: Odd Man Out
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Q:

Albert invested Rs. 8000 in a scheme for 2 years at compound interest rate 5% p.a. How much amount will Albert get on maturity of the fixed deposit ?

A) Rs. 8840	B) Rs. 8800
C) Rs. 8810	D) None

Answer & Explanation Answer: D) None

Explanation:

Amount = $8000 {(1 + \frac{5}{100})}^{2}$

= 8000 x 21/20 x 21/20

= Rs. 8820

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Filed Under: Compound Interest
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Q:

Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern ?

A) 85 min	B) 95 min
C) 105 min	D) 100 min

Answer & Explanation Answer: D) 100 min

Explanation:

Work done by the third pipe in 1 min = 1/50 - (1/60 + 1/75) = - 1/100.
[-ve sign means emptying]

The third pipe alone can empty the cistern in 100 min.

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Filed Under: Pipes and Cistern
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