AIEEE Questions and Answers with Explanation

Q:

Pipe A can fill a tank in 16 minutes and pipe B cam empty it in 24 minutes. If both the pipes are opened together after how many minutes should pipe B be closed, so that the tank is filled in 30 minutes ?

A) 21 min	B) 24 min
C) 20 min	D) 22 min

Answer & Explanation Answer: A) 21 min

Explanation:

Let the pipe B be closed after 'K' minutes.

30/16 - K/24 = 1 => K/24 = 30/16 - 1 = 14/16

=> K = 14/16 x 24 = 21 min.

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Filed Under: Pipes and Cistern
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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19 13653

Q:

40% of 265 + 35% of 180 = 50% of ?

A) 383	B) 338
C) 84.5	D) 253.5

Answer & Explanation Answer: B) 338

Explanation:

We know that 40% = $\frac{2}{5}$

40% of 265 + 35% of 180 = 50% ?

$\frac{2}{5}$ x 265 + 35% of 180 = 50% ?

We know that (35% of 180 = 180% of 35) & 180% = $\frac{9}{5}$

$\frac{2}{5}$ x 265 + $\frac{9}{5}$ x 35 = 50% ?

106 + 63 = 50% ?

?= 2 x 169 = 338.

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Filed Under: Percentage
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10 13647

Q:

If $\log_{7} (2)$ = m, then $\log_{49} (28)$ is equal to ?

A) 1/(1+2m)	B) (1+2m)/2
C) 2m/(2m+1)	D) (2m+1)/2m

Answer & Explanation Answer: B) (1+2m)/2

Explanation:

$\log_{49} (28) = \frac{1}{2 \log_{7} (7 \times 4)}$

= $\frac{1}{2} + \frac{1}{2} (2 \log_{7} (2))$
= $\frac{1}{2} + \log_{7} (2)$
= $\frac{1}{2} + m$
= $\frac{1 + 2 m}{2}$ .

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Filed Under: Logarithms
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
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63 13644

Q:

Which tank will fill first?

which_tank_will_be_first_filled1559193031.jpg image

A) 8	B) 7
C) 10	D) 4

Answer & Explanation Answer: C) 10

Explanation:

From the given diagram,

Tank 10 will be first filled because from tank 1 it will go through tank 4 and tank 10.

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Filed Under: Logic Puzzles
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66 13610

Q:

If 25% of a number is subtracted from a second number, the second number reduces to its four-sixth. What is the ratio of the first number to the second number ?

A) 4:3	B) 2:3
C) 3:2	D) 5:3

Answer & Explanation Answer: A) 4:3

Explanation:

Let the numbers be p & q

q-p/4 = 4q/6

=> q-4q/6 = p/4

=> 2q/6 = p/4

=> p/q = 4/3

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Filed Under: Percentage
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16 13592

Q:

India Wins Freedom is the autobiography of ?

A) Abul Kalam Azad	B) L.K Adwani
C) Rajendra Prasad	D) Shubash Chandra Bose

Answer & Explanation Answer: A) Abul Kalam Azad

Explanation:

India Wins Freedom is the autobiography of Abul Kalam Azad.

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Filed Under: Books and Authors
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25 13563

Q:

The sex of a newborn baby is determined by the chromosome inherited from

A) The Father	B) The Mother
C) The Father's Father	D) Both A & B

Answer & Explanation Answer: A) The Father

Explanation:

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Filed Under: Biology
Exam Prep: AIEEE

74 13526

Q:

What can you serve but not eat or drink?

Answer

A tennis ball or badminton shuttle in which we can serve a ball or kock but we cannot eat it.

badminton1585559482.jpg image

Workspace

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Subject: Logic Puzzles Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

31 13500

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