Aptitude and Reasoning Questions

Q:

Express 3/8 and 1/10 as a Decimals?

A) 1.375 & 1 B) 0.375 & 1
C) 13.75 & 1.1 D) 0.375 & 0.1
 
Answer & Explanation Answer: D) 0.375 & 0.1

Explanation:

3/8 as a Decimal :

In this we should convert the denominator into 10, 100, 1000, 10000, 100000,... to make it simple.

Now to make 8 into 1000, we multiply numerator and denominator with 125

=> 3 x 1258 x 125 = 3751000 = 0.375

 

1/10 as a Decimal :

1 divided into 10 parts of each 0.1.

 

Therefore, 3/8 = 0.375 and 1/10 = 0.1 in decimals.

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Filed Under: Decimal Fractions
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Q:

 In the following question four words are given of which two words are most nearly the same or opposite in meaning. Find the two words.

(A) Soft    (B) Fatiguing     (C) Discordant     (D) Force  

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

Explanation:

Meaning of Discordant = Harsh

That implies Harsh opposite is soft.

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Filed Under: Analogy
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Q:

Assertion(A) : Most of the Himalayan rivers are perennial.
Reason(R) : They are fed by melting snow.

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: A) R correctly explains A

Explanation:

Most Himalayan rivers are perennial because they are fed by the melting snow throughout the year.
Thus, both A and R are true & R correctly explains A.

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Filed Under: Assertion and Reason
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Q:

The school principal has received complaints from parents about bullying in the school yard during recess. He wants to investigate and end this situation as soon as possible, so he has asked the recess aides to watch closely. Which situation should the recess aides report to the principal ?

A) A boy is sitting glumly on a bench reading a book and not interacting with his peers. B) Two boys are playing a one-on-one game of basketball and are arguing over the last basket scored.
C) Three boys are huddled over a handheld video game, which isn’t supposed to be on school grounds. D) Four girls are surrounding another girl and seem to have possession of her backpack.
 
Answer & Explanation Answer: D) Four girls are surrounding another girl and seem to have possession of her backpack.

Explanation:

Seeing four girls surrounding another girl, while in possession of her backpack, is the most suspicious of the incidents described.

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Filed Under: Analogy
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Q:

One card is drawn from deck of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that the ball drawn is red.

A) 1/3 B) 1/2
C) 1/4 D) 1/6
 
Answer & Explanation Answer: B) 1/2

Explanation:

Total number of elementary events = 52

 

There are 26 red cards,out of which one red card can be drawn in 26C1 ways =26.

 

So,required probability = 26/52 = 1/2

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Filed Under: Probability

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Q:

If 3A = 2B = 4C; then what is A : B : C?

A) 3 : 2 : 4 B) 6 : 4 : 3
C) 4 : 6 : 3 D) 2 : 3 : 4
 
Answer & Explanation Answer: C) 4 : 6 : 3

Explanation:
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Filed Under: Ratios and Proportions
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Q:

Pointing to a woman, a girl says,"She is mother of the only child of my father-in-law." How is the woman related to the girl?

A) Mother-in-law B) Granddaughter
C) Mother D) Cousin
 
Answer & Explanation Answer: A) Mother-in-law

Explanation:
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Filed Under: Blood Relations
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Q:

Calculate the effective interest rate compounded quarterly of a 13% annual rate.

A) 13.65% B) 14.665%
C) 15.65% D) 16.65%
 
Answer & Explanation Answer: A) 13.65%

Explanation:

E=(1+i/n)^n-1

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Filed Under: Compound Interest
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