Aptitude and Reasoning Questions

Q:

From container A containing 54 liter of mixture of milk and water in ratio of 8 : 1 , 18 liter of the mixture is taken out and poured into container B in which ratio of milk to water is 3 : 1. If difference between total milk and total water in container B is 30 liter then find the quantity of initial mixture in container B. 

A) 30 Liter  B) 28 Liter 
C) 32 Liter  D) 36 Liter 
 
Answer & Explanation Answer: C) 32 Liter 

Explanation:

Let initially milk and water in container B is 3x liter and x liter respectively

Now, 3x + (8/9) × 18 – x – (1/9) × 18 = 30

3x + 16 – x – 2 = 30

x = 8

Initial quantity is container B = 8 (3 + 1) = 32 Liter.

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Filed Under: Alligation or Mixture
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Q:

How many lines of symmetry does a Pentagon have?

A) 4 B) 5
C) 6 D) 0
 
Answer & Explanation Answer: B) 5

Explanation:

A regular Pentagon have 5 sides and 5 lines of symmetry. 

  • The number of lines of symmetry in a regular polygon is equal to the number of sides.
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Filed Under: Analytical Reasoning
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Q:

3, 12, 5, ?

A) 36 B) 26
C) 30 D) 24
 
Answer & Explanation Answer: C) 30

Explanation:

332 + 3 = 12552 + 5 = 30

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Filed Under: Odd Man Out
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Q:

Find the odd word/letters/number pair from the given alternatives.

A) Cow B) Buffalo
C) Horse D) Goat
 
Answer & Explanation Answer: C) Horse

Explanation:
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Q:

Find the number of triangles in the given figure?

A) 11 B) 13
C) 15 D) 17
 
Answer & Explanation Answer: C) 15

Explanation:

We may label the figure as shown.

The Simplest triangles are AFB, FEB, EBC, DEC, DFB and AFD i.e 6 in number.

The triangles composed of two components each are AEB, FBC, DFC, ADE, DBE and ABD i.e 6 in number.

The triangles composed of three components each are ADC and ABC i.e 2 in number.

There is only one triangle i.e DBC which is composed of four components.

Thus, there are 6 + 6 + 2 + 1 = 15 triangles in the figure

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Q:

A bucket contains a mixture of two liquids A and B in the proportion 7: 5. If 9 litres of the mixture is replaced by 9 litres of liquid B, then the ratio of the two liquid becomes 7: 9. How much of the liquid A was there in the bucket ?

A) 21 litres B) 15 litres
C) 23 litres D) 18 litres
 
Answer & Explanation Answer: A) 21 litres

Explanation:

Suppose the two liquids A and B are 7x litres and 5x litres respectivel Now, when 9 litres of mixture are taken out,

Now, when 9 liters of liquid B are added

 

 

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Q:

If the difference between the mode and median is 2, then the difference between the median and mean is:

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

Explanation:
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Filed Under: Probability
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Q:

Choose the most essential part for the word given below from the following options ?

Shoe

A) Lace B) Sole
C) Leather D) Walking
 
Answer & Explanation Answer: B) Sole

Explanation:

All shoes have a sole of some sort.Not all shoes are made of leather (choice b); nor do they all have laces (choice c).Walking (choice d) is not essential to a shoe.

 

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Filed Under: Logic
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