Questions

Q:

Which of the statements given below are correct?

1. The author of the novel 'Forty Thieves' is Thomas Perry.
2. The author of the novel 'Half of a Yellow Sun' is Jennifer Egan.
3. The author of the novel 'Middlesex' is Chimamanda Ngozi Adichie.

A) 1 and 2 B) 2 and 3
C) 1 and 3 D) 1, 2 and 3
 
Answer & Explanation Answer: B) 2 and 3

Explanation:
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Filed Under: Books and Authors
Exam Prep: Bank Exams

0 6093
Q:

Can you slove this Maths Puzzle?

maths_puzzle1537500715.jpg image

A) 12 B) 6
C) 3 D) 1
 
Answer & Explanation Answer: B) 6

Explanation:

In the given puzzle, the logic behind is

9 = 72 => 9 x 8 = 72

8 = 56 => 8 x 7 = 56

7 = 42 => 7 x 6 = 42

6 = 30 => 6 x 5 = 30

5 = 20 => 5 x 4 = 20

 

Similarly,

4 = 12 => 4 x 3 = 12

3 = 6 => 3 x 2 = 6

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

19 6089
Q:

A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height?

A) 2.87 sec B) 3.44 sec
C) 4.65 sec D) 5.41 sec
 
Answer & Explanation Answer: B) 3.44 sec

Explanation:

It is launched vertically with an initial speed of 110 ft/sec.

It will reach maximum height when the speed drops to 0.

Vo=110 feet per second 

ho=2 feet 

So, h(t) = -16t^2 +110t +2 

Take the derivative: h'(t) = 110 -32t 

The maximum height will be at the inflection when the derivative crosses the x-axis, then h'(t)=0. 

So, set h'(t)=0 and solve for t: 

0 = 110 -32t 

-110 = -32t 

t=3.4375 

t=3.44 seconds.

 

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

3 6087
Q:

Arrange the following ina proper sequence.

A. Mutation

B. Reproductive isolation

C. Natural selection

D. Evolution

 

A) D,C,B,A B) C,B,A,D
C) A,C,D,B D) A,B,C,D
 
Answer & Explanation Answer: D) A,B,C,D

Explanation:
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Filed Under: Biology
Exam Prep: Bank Exams

0 6086
Q:

STEP is the abbreviated name of the welfare programme to help

A) Children B) Woman
C) Farmers D) Senior citizens
 
Answer & Explanation Answer: B) Woman

Explanation:
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Filed Under: Indian Economy

15 6083
Q:

Country that was called as Land of Rising Sun

A) Russia B) Japan
C) Korea D) Holland
 
Answer & Explanation Answer: B) Japan

Explanation:
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Filed Under: General Awareness

21 6082
Q:

Prithvi spent Rs.89,745 on his college fees, Rs 51,291 on Personality Development Classes, and the remaining 27% of the total amount he had as cash with him. What was the total amount?

A) Rs.1,85,400 B) Rs.1,89,600
C) Rs.1,91,800 D) Rs.1,93,200
 
Answer & Explanation Answer: D) Rs.1,93,200

Explanation:
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19 6079
Q:

 What is the full form of GSLV ?

A) Ground Satellite Launching Vehicle B) Geosynchronous Satellite Launching Vehicle
C) Gravity synchronous Launching Vehicle D) Group satellite Launching vehicle
 
Answer & Explanation Answer: B) Geosynchronous Satellite Launching Vehicle

Explanation:
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Filed Under: General Awareness

10 6078