Aptitude and Reasoning Questions

Q:

Find the missing number in the series?

4, 18, ?, 100, 180, 294, 448

A) 48 B) 50
C) 58 D) 60
 
Answer & Explanation Answer: A) 48

Explanation:

Take a Look at this series :

 

23 - 22 =  8 - 4 = 4  

33 - 32 = 27 - 9 = 18 

43 - 42 = 64 - 16 = 48  

53 - 52 = 125 - 25 = 100  

63 - 62 = 216 - 36 = 180 

73 - 72 = 343 - 49 = 294 

83 - 82 = 512 - 64 = 448

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Filed Under: Number Series

1791 119827
Q:

A bag contains 50 P, 25 P and 10 P coins in the ratio 5: 9: 4, amounting to Rs. 206. Find the number of coins of each type respectively.

A) 360, 160, 200 B) 160, 360, 200
C) 200, 360,160 D) 200,160,300
 
Answer & Explanation Answer: C) 200, 360,160

Explanation:

let ratio be x.

Hence no. of coins be 5x ,9x , 4x respectively

Now given total amount = Rs.206

=> (.50)(5x) + (.25)(9x) + (.10)(4x) = 206

we get x = 40

=> No. of 50p coins = 200

=> No. of 25p coins = 360

=> No. of 10p coins = 160

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Filed Under: Ratios and Proportions

1787 219539
Q:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z .

 

Which letter in this alphabet is the eighth letter to the right of the letter and  which is tenth letter to the left of the last but one letter of the alphabet?

A) X B) W
C) I D) H
 
Answer & Explanation Answer: B) W

Explanation:

In the given alphabet, last but one letter of alphabet is Y.

10th letter to the left of Y is O

8th letter to the right of O is W

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Filed Under: Alphabet Test

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Q:

If South-East becomes North, North-East becomes West and so on. What will West become?

A) North-East B) North-West
C) South-East D) South-West
 
Answer & Explanation Answer: C) South-East

Explanation:

 

It is clear from the diagrams that new name of West will become South-East.

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Filed Under: Direction Sense Test

1484 91137
Q:

If 20% of a = b, then b% of 20 is the same as :

A) 4% of a B) 6% of a
C) 8% of a D) 10% of a
 
Answer & Explanation Answer: A) 4% of a

Explanation:

20% of a = b 

=> (20/100) * a = b 

 b% of 20 =(b/100) x 20 = [(20a/100)  / 100] x 20= 4a/100 = 4% of a.

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Filed Under: Percentage
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1268 146383
Q:

A girl introduced a boy as the son of' the daughter of the father of her uncle. The boy is girl's 

A) Brother B) Son
C) Uncle D) Son-in-law
 
Answer & Explanation Answer: A) Brother

Explanation:

Daughter of uncle's father — Uncle's sister — Mother;

Mother's son — Brother 

 

 

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Filed Under: Blood Relations

1266 87268
Q:

Pointing to a person, a man said to a woman, "His mother is the only daughter of your father." How was the woman related to the person ? 

A) Aunt B) Mother
C) Wife D) Daughter
 
Answer & Explanation Answer: A) Aunt

Explanation:

Daughter of your father — Your sister. So, the person's mother is woman's sister or the woman is person's aunt. 

 

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Filed Under: Blood Relations

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Q:

Fresh fruit contains 68% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100 kg of fresh fruits ?

A) 20 B) 30
C) 40 D) 50
 
Answer & Explanation Answer: C) 40

Explanation:

The fruit content in both the fresh fruit and dry fruit is the same.

 

Given, fresh fruit has 68% water.so remaining 32% is fruit content. weight of fresh fruits is 100kg

 

Dry fruit has 20% water.so remaining 80% is fruit content.let weight if dry fruit be y kg.

 

Fruit % in freshfruit = Fruit% in dryfruit 

 

Therefore, (32/100) x 100 = (80/100 ) x y 

 

we get, y = 40 kg.

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

1163 94120