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Q:

If a girl cycles at 10 kmph, then she arrives at a certain place at 1 p.m. If she cycles at 15 kmph, she will arrive at the same place at 11 a.m. At what speed must she cycle to get there at noon?

A) 14 kmph B) 13 kmph
C) 12 kmph D) 11 kmph
 
Answer & Explanation Answer: C) 12 kmph

Explanation:

The distance is constant in this case.

Let the time taken for travel with a speed of 10 kmph be 't'.

Now the speed of 15 kmph is 3/2 times the speed of 10 kmph.

Therefore, time taken with the speed of 15 kmph will be 2t/3 (speed is inversely proportional to time)

Extra time taken = t - 2t/3 = t/3

=> 1pm - 11am = 2hrs

=> t/3 = 2h

=> t = 6 hrs.

Now, Distance = speed x time = 10 x 6 = 60 kms

Time he takes to reach at noon = 6 - 1 = 5 hrs

Now, Speed = 60/5 = 12 kmph.

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Filed Under: Time and Distance
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

According to Forbes, Who has become Asia’s richest person in the year 2017?

A) Jeff Bezos B) Hui Ka Yan
C) Mukesh Ambani D) Bill Gates
 
Answer & Explanation Answer: C) Mukesh Ambani

Explanation:

Reliance Industries Chairman Mukesh Ambani overtook China’s Hui Ka Yan to become Asia’s richest person with a total wealth of $42.1 billion. According to Forbes’ real time billionaire’s list, Ambani's personal wealth rose by $466 million in 2017.

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Filed Under: Famous Personalities
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Q:

Who will be awarded The Jnanpith Award for the year 2017?

A) Krishna Sobti B) Vikas Singh
C) Rohim Khan D) Sunita Verma
 
Answer & Explanation Answer: A) Krishna Sobti

Explanation:

Hindi writer Krishna Sobti has been chosen for this years Jnanpith Award for her contribution to Indian Literature. This is 53rd Jnanpith Award for India.

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Filed Under: Honours and Awards
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

What is the currency of Singapore?

A) Krone B) Dollar
C) Tenge D) Pound
 
Answer & Explanation Answer: B) Dollar

Explanation:
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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

A and B can fill the tank in 60 min and 90 min. There is a leak at 3/4th of the height. If leak is opened alone, it takes 36 min to empty till 3/4th the height. Find the time taken to fill the tank if all of the taps and the leak are opened simultaneously.

A) 39 B) 27
C) 37 D) 33
 
Answer & Explanation Answer: A) 39

Explanation:
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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

India has ranked _____ rank in World Bank's 'Ease of doing business' index.

A) 100 B) 101
C) 99 D) 102
 
Answer & Explanation Answer: A) 100

Explanation:
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Filed Under: Indian Economy
Exam Prep: Bank Exams , CAT
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Q:

A town has a population of 4000 requires 140 liters of water per head. It has a tank measuring 18m x 12m x 8m. The water of this tank will suffice for ____ days?

A) 3 B) 4
C) 5 D) 2
 
Answer & Explanation Answer: A) 3

Explanation:

Water required = 4000 x 140 = 560000 lit = 560 cu.m (1 cu.m = 1000 lit)

Volume of tank = 18 x 12 x 8 = 1728 cu.m

Water of this tank will suffice for = 1728/560 = 3 days.

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Filed Under: Volume and Surface Area
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Q:

Sreya bought a plot for Rs. 6,00,000,  then sold half of the plot at 10 % profit and rest at 15% profit. What is the total profit % that Sreya gain? 

A) 13.8 % B) 11.4 %
C) 12.5 % D) 14.5 %
 
Answer & Explanation Answer: C) 12.5 %

Explanation:

10% profit at half plot = 600000/2 x 10/100 = Rs. 30,000

15% profit at remaining half plot = 600000/2 x 15/100 = Rs. 45,000

Now, total profit = 30000 + 45000 = 75000

Profit % = 75000/600000 x 100 = 12.5 %

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Filed Under: Profit and Loss
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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