Aptitude and Reasoning Questions

Q:

Statements : National Aluminium Company has moved India from a position of shortage to self-sufficiency in the metal.

Conclusions :

a) Previously, India had to import aluminium.
b) With this speed, it can soon become a foreign exchange earner.

A) Only a follows B) Only b follows
C) Neither a nor b follows D) Both a and b follows
 
Answer & Explanation Answer: D) Both a and b follows

Explanation:

According to the statement, National Aluminium Company has moved India from a position of shortage in the past to self-sufficiency in the present. This means that previously, India had to import aluminium. So, I follows. Also, it can be deduced that if production increases at the same rate, India can export it in future. So, II also follows.

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Q:

You find that the person whom you call your friend has been cheating you. what would you do ?

A) Break relations with him. B) Give him tit for tat
C) Make him realise his mistake D) Tell other friends about him.
 
Answer & Explanation Answer: C) Make him realise his mistake

Explanation:
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Q:

All the six members of a family A, B, C, D, E and F are travelling together. B is the son of C but C is not the mother of B, A and C are a married couple. E is the brother of C. D is the daughter of A. F is the brother of B.  How many male members are there in the family ? 

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

Explanation:

B is the son of C but C is not the mother of B means C is the father of B. A is marned to C means A is the mother of B. F is brother of B means F is son of A and C. D is daughter of A means D is daughter of A and C

A is the mother and hence female. B is the son and hence male. C is the husband and hence male.

 

D in the daughter and hence female. E is the brother and hence male F is the son and hence male.

 

So, there are four males. 

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Q:

Find the number of ways to arrange 4 people in groups of 3 at a time where order matters?

A) 20 B) 16
C) 24 D) 36
 
Answer & Explanation Answer: C) 24

Explanation:

P(4,3)= P34= 24

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Q:

Find the one which does not belong to that group ?

A) Neice B) Daughter
C) Daughter-in-law D) Mother
 
Answer & Explanation Answer: C) Daughter-in-law

Explanation:

All are blood relation except Daughter-in-law.

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Q:

What is Latus Rectum of Parabola?

A) line segment B) vertex
C) focus D) major axis
 
Answer & Explanation Answer: A) line segment

Explanation:

As parabola is a locus of a point, which moves so that its distance from focus and directrix is always equal.

 

The latus rectum of a conic section is the chord (line segment) that passes through the focus, is perpendicular to the major axis and has both endpoints on the curve. The length of the latus rectum is determined differently for each conic.

                                      download1522126663.jpg image

 

The length of a parabola's latus rectum is 4p, where p is the distance from the focus to the vertex.

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Q:

If two line pa + b = 2 and 3a + b = 4 are parallel to each other, then what is the value of p ?

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

Explanation:

Given two lines are parallel

pa+b=2

b=-pa+2..........(1)

3a+b=4

b=-3a+4 ...........(2)

m1 = -p

m2= -3

The condition for the two lines to be parallel is m1=m2

p = 3

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Q:

a _ c _ abb _ a _ bc _ bc _ ab

A) c b c a a a B) b c c c a b
C) b c c a a c D) a c b a b c
 
Answer & Explanation Answer: C) b c c a a c

Explanation:

The series is a b c c a b | b c a a b c | a b c c a b

Here, the pattern a b c c a b | b c a a b c is repeated alternatively.

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Filed Under: Number Series

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