Exams


Q:

What is the theme of the ‘World Wetlands Day 2021’?

 

A) Wetlands and Water B) Wetlands for Us
C) Save Wetlands D) Wetlands and Covid
 
Answer & Explanation Answer: A) Wetlands and Water

Explanation:
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Filed Under: Important Days and Years
Exam Prep: Bank Exams

2 12644
Q:

Select the correct set that represents the following Venn diagram.

 

 

A) Grass-eating animals, cows, deer B) Flesh-eating animals, tigers, cows
C) Grass-eating animals, goat, buffalo D) Flesh-eating animals, tigers, lions
 
Answer & Explanation Answer: B) Flesh-eating animals, tigers, cows

Explanation:
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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

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Q:

Errata : Books :: flaws :?

A) Speech B) Manuscripts
C) Charter D) Metals
 
Answer & Explanation Answer: D) Metals

Explanation:

Errata comprises from the books. Similarly, Flaws are the defects in the metals.

Hence, Errata : Books :: flaws : Metals.

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

6 12641
Q:

After working for 8 days, Arun finds that only 13 rd of the work has been done. He employs Akhil who is 60% as efficient as Arun. How many days more would Akhil take to complete the work?

A) 24.5 days B) 26.6 days
C) 25 days D) 20 days
 
Answer & Explanation Answer: B) 26.6 days

Explanation:

Arun has completed 13rd of the work in 8 days

Then he can complete the total work in

13 ---- 8

 1 ---- ?

= 24 days


But given Akhil is only 60% as efficient as Arun

Akhil =124×60100=140

Akhil can complete the total work in 40 days

Now, remaining 2/3rd of work can be completed in

 1  ------   40

23 ------   ?  

= 26.66 days.

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Filed Under: Time and Work
Exam Prep: CAT , Bank Exams
Job Role: Bank PO , Bank Clerk

18 12641
Q:

If a2+b2 = c2 , then 1logc+ab + 1logc-ab = ?

A) 1 B) 2
C) 4 D) 8
 
Answer & Explanation Answer: B) 2

Explanation:

Given a2 + b2 = c2

 

Now  1logc+ab  + 1logc-ab 

 

logbc+a + logbc-a

 

logbc2-a2

2logbb = 2

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Filed Under: Logarithms
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

32 12641
Q:

A driver of auto rickshaw makes a profit of 20% on every trip when he carries 3 passengers and the price of petrol is Rs. 30 a litre. Find the % profit for the same journey if he goes for 4 passengers per trip and the price of petrol reduces to Rs. 24 litres ?

A) 68% B) 80%
C) 75% D) 100%
 
Answer & Explanation Answer: D) 100%

Explanation:

When 3 passengers income was 3x
expense= Rs.30 
profit =20% of 30 = Rs.6 
That means his earning is Rs.36. so that per passenger fare must be Rs.12.

When 4 passengers
earning = 12x4=Rs.48.
expense =Rs.24.
profit = Rs.24 = 100%

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Filed Under: Profit and Loss
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

19 12635
Q:

 

If the total number of bikes sold in 2009 was 50000, then by what number was the sales of white bikes less than that of yellow and red bikes put together?

A) 3000 B) 10000
C) 2500 D) 5000
 
Answer & Explanation Answer: C) 2500

Explanation:
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Filed Under: Bar Charts
Exam Prep: Bank Exams

0 12627
Q:

Two solutions have milk & water in the ratio 7:5 and 6:11. Find the proportion in which these two solutions should Be mixed so that the resulting solution has 1 part milk and 2 parts water ?

A) 7 : 12 B) 8 : 13
C) 9 : 4 D) 2 : 5
 
Answer & Explanation Answer: B) 8 : 13

Explanation:

To get the solution that contains 1 part of milk and two parts of water,
they must be mixed in the ratio as
7x+6x/5y+11y = 1/2
26x = 16y
x/y = 16/26
x/y = 8/13

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Filed Under: Ratios and Proportions
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Bank Clerk , Bank PO

19 12625