5555+ Aptitude and Reasoning Questions, Answers With Explanation

Q:

The average age of a couple is 24 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child ?

A) 2 yrs	B) 4 yrs
C) 3 yrs	D) 5 yrs

Answer & Explanation Answer: A) 2 yrs

Explanation:

29 x 2 = 58
20 x 3 = 60
-----------
2 years

Therefore, the age of child is 2 years.

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

18 11676

Q:

Directions:

Four friends Raghu, Rajesh, Ramesh and Ravi complete their Graduation in different number of years. The one who took maximum time took eight years to complete his Graduation while the one who took least time took only three years to complete it.Ravi took more time only than Raghu and completed his Graduation in five years. Ramesh did not take longer time
than Rajesh to complete his Graduation.

Question:

Who took more years to complete his graduation among all ?

A) Ramesh	B) Raghu
C) Rajesh	D) Ravi

Answer & Explanation Answer: C) Rajesh

Explanation:

Rajesh - 8 years

Ramesh - 6 or 7 years

Ravi - 5 years

Raghu - 3 years

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Filed Under: Deriving Conclusions From Passages
Exam Prep: Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

4 11657

Q:

Find out the wrong term in the series 125, 126, 124, 127, 123, 129

A) 129	B) 125
C) 127	D) 123

Answer & Explanation Answer: A) 129

Explanation:

The correct pattern is +1, -2, +3, -4, +5, . . . .
So,129 wrong and must be replaced by 123 + 5 = 128

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Filed Under: Number Series

17 11654

Q:

Four dice are thrown simultaneously. Find the probability that two of them show the same face and remaining two show the different faces.

A) 4/9	B) 5/9
C) 11/18	D) 7/9

Answer & Explanation Answer: B) 5/9

Explanation:

Select a number which ocurs on two dice out of six numbers (1, 2, 3, 4, 5, 6). This can be done in ${}^{6}C_{1}$ , ways.

Now select two distinct number out of remaining 5 numbers which can be done in ${}^{5}C_{2}$ ways. Thus these 4 numbers can be arranged in 4!/2! ways.

So, the number of ways in which two dice show the same face and the remaining two show different faces is

${}^{6}C_{1} \times {}^{5}C_{2} \times \frac{4!}{2!} = 720$

=> n(E) = 720

$∴ P (E) = \frac{720}{6^{4}} = \frac{5}{9}$

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Filed Under: Probability

8 11640

Q:

Study the following graph carefully and answer the questions that follow:

Water level of four major Rivers (in meters) in four different Months

1. what was the respective ratio between the level of River - C in September and the water level of River - B in June?

1. 91 : 101 2. 94 : 101 3. 51 : 103 4. None of these

2. If the danger level of all the four rivers is above 215 m, which river has not crossed the danger level in August but has crossed the danger level in July ?

1. River - A 2. River - B 3. River - C 4. River - D

3. What is the average water level of River - A in all the four months together ?

1. 224.50 m 2. 212.25 m 3. 210.75 m 4. 222.25 m

4. In which river and in which month respectively the water level is highest ?

1. River - C in August 2. River - D in September 3. River - B in July 4. River - D in August

5. If the water level of River - A in July is decreased by 20 percent, then what will be the water level of River - A in July ?

1. 156 m 2. 162 m 3. 164 m 4. 152 m

Answer

1. Answer : 4

Explanation : The water level of River-C in September = 184 and water level of River-B in June = 202

Required ratio = 184 : 202 => 92 : 101

2. Answer : 2

3. Answer : 3

Explanation : Average water level of River-A in all months = $\frac{196 + 205 + 230 + 212}{4}$ = 210.75 m

4. Answer : 4

5. Answer : 3

Explanation : Water level of River-A in July after decreasing = $205 \times \frac{80}{100}$ = 41 x 4 = 164m

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Subject: Bar Charts

24 11638

Q:

If $3^{x - y} = 27$ , $3^{x + y} = 243$ then find the x value

A) 2	B) 8
C) 4	D) 1

Answer & Explanation Answer: C) 4

Explanation:

Given that $3^{x - y} = 27$ , $3^{x + y} = 243$

$\Rightarrow 3^{x - y} = 3^{3}, 3^{x + y} = 3^{5}$

=> x-y=3, x+y=5

=> x = 4

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Filed Under: Simplification
Exam Prep: CAT
Job Role: Bank Clerk

15 11637

Q:

Arun and Amit started walking from two different points 'A' and 'B' respectively.Arun walks 2 kms North and turns to the East and walks 3 kms and again turns to North walks 4 kms and finally turns to East and Walks 5kms to reach point 'C'. Similarly, Amit walks 2 kms North and turns to west and walks 3 kms and finally turns to North, walks 4 kms and meets Arun at point 'C'. What is the distance between Arun and Amit's starting points?

A) 5 km	B) 8 km
C) 11 km	D) 13 km

Answer & Explanation Answer: C) 11 km

Explanation:

Where A= Arun's starting point; B = Amit's starting point; C = The point where Arun and Amit meet

PQ + RC + ST = 3 + 5 + 3 = 11 kms.

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Filed Under: Direction Sense Test

48 11631

Q:

Bread : Yeast :: Curd : ?

A) Fungi	B) Bacteria
C) Germs	D) Virus

Answer & Explanation Answer: B) Bacteria

Explanation:

First is produced by the action of the second.

Hence, Bread : Yeast :: Curd : Bacteria.

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

6 11605

Aptitude and Reasoning Questions

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Non Verbal Reasoning

Quantitative Aptitude - Arithmetic Ability

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