Aptitude and Reasoning Questions

Q:

Which sentence is written correctly?

A) Ms. Praveena showed us a documentary in class today because the film, "focuses on a similar subject" to a book we are going to read. B) Ms. Praveena showed us a documentary in class today because the film "focuses on a similar subject" to a book we are going to read.
C) Ms. Praveena showed us a documentary in class today because the film, "Focuses on a similar subject" to a book we are going to read. D) Ms. Praveena showed us a documentary in class today because the film "Focuses on a similar subject" to a book we are going to read.
 
Answer & Explanation Answer: A) Ms. Praveena showed us a documentary in class today because the film, "focuses on a similar subject" to a book we are going to read.

Explanation:
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Q:

A : ITC, a tobacco company , has decided to withdraw from all sponsorship of sporting activities.

B: The center has decided to bring in legislation for banning sponsoring of sports  and cultural events by tobacco companies.

A) If 'A' is the effect and 'B' is its immediate and principal cause. B) If 'A' is the immediate and principal cause and 'B' is its effect.
C) Both A and B D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:

Both are independent events.

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Q:

The value of

 is:

Answer

2n+2n22x2n - 2n = 2n1 + 122n(2-1) = 32

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Q:

Consider the given statement true and decide which of the given assumptions is/are implicit.

 

Statement :

 

It is desirable to start writing from 6 years of age.

 

Assumptions :

 

1. Fine motor skills are well developed by 6 years of age.

2. Children cannot write before 6 years of age.

 

A) Neither assumption 1 nor 2 is implicit B) Only assumption 2 is implicit
C) Both assumptions 1 and 2 are implicit D) Only assumption 1 is implicit
 
Answer & Explanation Answer: D) Only assumption 1 is implicit

Explanation:
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Q:

The average of 50 consecutive natural numbers is x. What will be the are average when the next four natural numbers are also included?

A) x + 1 B) x + 2
C) x + 4 D) x + (x/54)
 
Answer & Explanation Answer: B) x + 2

Explanation:
Sum of n consecutive natural numbers = n(n+1)/2
Average of n consecutive natural numbers = (n+1)/2
For first 50 average = 51/2 = x
Last 50 average = 55/2 = x+2
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Q:

What is 7 C in a R represents?

Answer

7 C in a R represents 7 Colours in a Rainbow.

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Q:

A train left from station A for station B at 4 pm at an average speed of 80 kmph. At 8 pm, another train also had left from station A for station B on a parallel track at an average speed of 120 kmph. How far from A is another train expected to overtake the first train?

A) 900km B) 940km
C) 960km D) 980km
 
Answer & Explanation Answer: C) 960km

Explanation:

Ans. 
Distance covered by 1st train in 4 hours = 80*4 = 320 km
Relative speed of 2nd train = 120-80 = 40 km
It will overtake another train in 320/40 = 8 hours
Distance between overtake point and station A = 8*120 = 960 km

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Q:

12 students of class IX took part in GK quiz. If the number of boys is 4 more than the number of girls. Find the number of boys and girls took part in the quiz ?

A) 7, 5 B) 9, 3
C) 8, 4 D) 6, 6
 
Answer & Explanation Answer: C) 8, 4

Explanation:

Let the number of girls = x

=> x + x + 4 = 12

=> 2x = 8

=> x = 4

=> Number of girls = 4

=> Number of boys = 4 + 4 = 8

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