Aptitude and Reasoning Questions

Q:

Assertion(A) : The pouring of kerosene oil on stagnant pools helps to eradicate malaria.
Reason(R) : The kerosene oil is poisonous for the mosquitoes.

A) R correctly explains A B) R is true but A is fale
C) A is true but R is false D) Both A and R are false
 
Answer & Explanation Answer: C) A is true but R is false

Explanation:

The kerosene oil sprayed on the water provodes a thin cating and the larvae of the mosquitoes are prevented from coming up to breathe. Thus, they die.
Hence, A is true but R is false.

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Filed Under: Assertion and Reason
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7 6426
Q:

If 6 (P's Capital ) = 8 ( Q's Capital ) = 12 ( R's Capital ) , then out of the total profit of Rs 4650 , R will receive ?

A) Rs. 1033.33 B) Rs. 1024
C) Rs. 1148.14 D) Rs. 1245.32
 
Answer & Explanation Answer: A) Rs. 1033.33

Explanation:

Let
P's capital = p,
Q's capital = q and
R's capital = r.
Then

6p = 8q = 12r
=> 3p = 4q = 6r
=>q = 3p/4
r = 3p/6 = p/2
P : Q : R = p : 3p/4 : p/2
= 4 : 3 : 2
R's share = 4650 * (2/9) = 150*6 = Rs. 1033.33.

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Filed Under: Partnership
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3 6419
Q:

 What is the difference between the local values of 3 in the number 43403 ?

A) 0 B) 3030
C) 3003 D) 2997
 
Answer & Explanation Answer: D) 2997

Explanation:

3000 – 3 = 2997

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Filed Under: Arithmetical Reasoning
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15 6413
Q:

Find the cost of Rs. 4500, 8.5% stock at 4 premium?

A) 1400 B) 5000
C) 4000 D) 4680
 
Answer & Explanation Answer: D) 4680

Explanation:

Cost of Rs. 100 stock  = Rs. (100+4) = Rs.104

 

Cost of Rs. 4500 stock =Rs.104100×4500 = Rs. 4680

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Filed Under: Stocks and Shares

3 6412
Q:

A man sold two flats for Rs. 4.15 lakhs each. On one he gained 2% and on the other he lost 2%. What percent is the effect of the sale on the whole  ?

A) 0.25 % B) 0.04 %
C) 0.5 % D) 0 %
 
Answer & Explanation Answer: B) 0.04 %

Explanation:

In this type cases we always have loss only.

 

Loss% = Common Gain or Loss1022102= 1/25 = 0.04 %

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Filed Under: Profit and Loss
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11 6406
Q:

The following questions are based on the information given below

 

In a school of 4000 students 3000 know English, 2000 know French and 5000 know Hindi, 1500 know French and English, 300 know French and Hindi, 200 know English and Hindi and 50 know all the three languages.

 

How many do not know any of the three languages?

A) 550 B) 500
C) 400 D) 450
 
Answer & Explanation Answer: D) 450

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

0 6405
Q:

Only if Sheela is happy, then she does not go to work.

A) Sheela is not happy and she goes to work. B) Sheela is happy and she does not go to work
C) Sheela is not happy and she does not go to work. D) Sheela is happy and she goes to work.
 
Answer & Explanation Answer: A) Sheela is not happy and she goes to work.

Explanation:

The event of "Sheela is not going to work" happens only when the event "Sheela is happy" happens. Also, if the event "Sheela is happy" does not happen, then the event "Sheela is not going to work" will not happen. In other words, if it is true that Sheela is not happy, then it means that Sheela is going to work.

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21 6403
Q:

Multiplicative inverse of 0

A) 0 B) 1
C) infinity D) None of the above
 
Answer & Explanation Answer: D) None of the above

Explanation:

In the real numbers, zero does not have a reciprocal because no real number multiplied by 0 produces 1 (the product of any number with zero is zero).

 

Hence, 0 doesn't have any multiplicative inverse.

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Filed Under: Arithmetical Reasoning
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1 6399