Aptitude and Reasoning Questions

Q:

In a street, there are certain number of houses. People in that street are decided to paint their houses with certain colours. If four houses are painted with each colour, then one house will be left without any colour. If five houses are painted with each colour, then one colour will remain. Find the number of houses in that street ?

A) 25 B) 6
C) 32 D) 7
 
Answer & Explanation Answer: A) 25

Explanation:

Let x be number of houses and y be colors.

on the basis of question
x = 4y+1
x = 5(y-1)
on solving these 2 equations x = 25

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Filed Under: Arithmetical Reasoning
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3 3787
Q:

If 324⊕289 = 35, 441⊕484 = 43, then 625⊕400 = ?

A) 431 B) 413
C) 341 D) 143
 
Answer & Explanation Answer: D) 143

Explanation:
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24 3785
Q:

It is reported that though Vitamin E present in fresh fruits and vegetables is beneficial for human body, capsule Vitamin E does not have the same effect on human body.

 

Courses of Action:

I. The sale of capsule Vitamin E should be banned.

II. People should be encouraged to take fresh fruits and vegetables to meet the body's requirement of Vitamin E.

A) Only I follows B) Only II follows
C) Neither I nor II follows D) Both I and II follow
 
Answer & Explanation Answer: B) Only II follows

Explanation:

The statement implies that capsule Vitamin E does not function so effectively as natural Vitamin E. Since no negative effect of capsule Vitamin E is mentioned, so I does not follow. Hence, only II follows.

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Q:

2/3 as a decimal

A) 0.47 B) 6.77
C) 0.67 D) 0.07
 
Answer & Explanation Answer: C) 0.67

Explanation:

To convert a fraction into decimal, just take the number on top which we called the numerator and divide it by the number at the bottom which we called the denominator.

2/3

How it comes :

÷ 0 bring down the decimal point.

20 ÷ 6 and carry the remainder 2 to make 20

20 ÷ 6 and carry the remainder 2 to make 20

20 ÷ 6 and carry the remainder 2 to make 20

etc...

This gives the recurring decimal 0.6666...

If we round off to two decimals , then it becomes 0.67.

 

Hence, decimal fraction of 2/3 = 0.67.

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Filed Under: Decimal Fractions
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3 3783
Q:

Aarav's birthday is on Sunday, 12th March . On what day of the week will be Madhup's Birthday in the same year if Madhup was born on 10th August?

A) Thursday B) Wednesday
C) Friday D) Saturday
 
Answer & Explanation Answer: A) Thursday

Explanation:
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Filed Under: Calendar
Exam Prep: Bank Exams

20 3780
Q:

What is x squared plus x squared?

A) 4x B) 2x^2
C) x^4 D) 2x
 
Answer & Explanation Answer: B) 2x^2

Explanation:

In an algebraic expression, like terms are terms that contain the same variables raised to the same powers. Calculating x-squared plus x-squared is a matter of combining like terms. 

Now x^2 + x^2 = 2x^2

 

Hence, x-squared plus x-squared is equal to 2 times x squared.

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Filed Under: Mathematical Operations
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8 3772
Q:

The cash realised on selling a 14% stock at Rs. 106.25, brokerage being 14%, is :

A) RS.105.50 B) RS.106
C) RS.106.50 D) RS.113.75
 
Answer & Explanation Answer: B) RS.106

Explanation:

Cash realised = Rs. (106.25 - 0.25) = Rs. 106.

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Filed Under: Stocks and Shares

1 3768
Q:

How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed ?

A) 5040 B) 2525
C) 2052 D) 4521
 
Answer & Explanation Answer: A) 5040

Explanation:

The Word LOGARITHMS  contains 10 letters.

To find how many 4 letter words we can form from that = P410 =10x9x8x7 = 5040.

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Filed Under: Permutations and Combinations
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