Aptitude and Reasoning Questions

Q:

In the question, two equations I and II are given. You have to solve both the equations and give answer

x2-11x+28=0y2-18y+81=0

A) x > y B) x < y
C)  x=y, or relation cannot be established between x and y D) x ≥ y
 
Answer & Explanation Answer: B) x < y

Explanation:

x2 – 11x + 28=0

x2 – 7x – 4x + 28=0

x (x-7) – 4 (x-7)=0

(x-4) (x-7)=0 x=4, 7

y2 – 18y + 81=0

y2 –9y – 9y + 81=0

y (y-9) – 9 (y-9)=0

(y-9) (y-9)=0 y=9, 9

So, x<y.

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Q:

If price of the table is increased by 25%, then a person can buy 25 table less for Rs 25000. What is the original price (in Rs) of the table?

 

A) 225 B) 250  
C) 200   D) 167
 
Answer & Explanation Answer: C) 200  

Explanation:
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Q:

What is the value of 34+122 ?

A) 13 B) 15
C) 17 D) 19
 
Answer & Explanation Answer: B) 15

Explanation:
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Q:

The 5th and 9th term of an arithmetic progression are 7 and 13 respectively. What is the 15th term?

A) 22 B) 21
C) 55 D) 59
 
Answer & Explanation Answer: A) 22

Explanation:
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Q:

A group of boys has an average weight of 36 kg. One boy weighing 42 kg leaves the group and another boy weighing 30 kg joins the group. If the average now becomes 35.7 kg, then how many boys are there in the group?

A) 30 B) 32
C) 40 D) 56
 
Answer & Explanation Answer: C) 40

Explanation:
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Q:

How many triangles are there in the given figure?

A) 11 B) 12
C) 13 D) 14
 
Answer & Explanation Answer: C) 13

Explanation:
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Q:

ΔABC is right angled at B. BD is the altitude. AD is 18 cm and DC is 50 cm. Find length of BD?

A) 30 cm B) 25 cm
C) 35 cm D) 15 cm
 
Answer & Explanation Answer: A) 30 cm

Explanation:
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Q:

A Number is increased by 20%. To get back to the orignal number, the increased number is to be reduced by

A) 20% B) 21%
C) 16 2/3% D) 14 1/3%
 
Answer & Explanation Answer: C) 16 2/3%

Explanation:
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