Aptitude and Reasoning Questions

Q:

∆UVW is right angled at V. If cosU = 8/17, then what is the value of sinW ?

 

A) 15/17 B) 17/8
C) 8/17 D) 17/15
 
Answer & Explanation Answer: C) 8/17

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Q:

∆DEF is right angled at E. If m∠F = 45°, then find the value of (tanD - √3/2).

 

A) -√3/2 B) -1/2√3
C) (2-√3)/2 D) (3√3-1)/3
 
Answer & Explanation Answer: C) (2-√3)/2

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Q:

Find the curved surface area (in cm2) of a right circular cylinder of diameter 14 cm and height 8 cm.

 

A) 308 B) 352
C) 327 D) 371
 
Answer & Explanation Answer: B) 352

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Q:

The circumference of a circle is 66 cm. Find its radius (in cm).

 

A) 21 B) 10.5
C) 4.5 D) 9
 
Answer & Explanation Answer: B) 10.5

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Q:

If the length of one side and the diagonal of a rectangle are 10 cm and 26 cm respectively, then find its perimeter (in cm).

 

A) 136 B) 31
C) 68 D) 62
 
Answer & Explanation Answer: C) 68

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Q:

The bar graph shows average marks scored in a 100 marks History exam by students of 7 divisions of standard X. Study the diagram and answer the following questions.

 

If all students of Division C lost 10 marks each for cheating in the test then their new average marks would decrease by how much?

 

A) 25% B) 10%
C) 20% D) 15%
 
Answer & Explanation Answer: A) 25%

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Q:

The bar graph shows average marks scored in a 100 marks History exam by students of 7 divisions of standard X. Study the diagram and answer the following questions.

 

Marks of division F were greater than that of Division C by _________

 

A) 125% B) 50%
C) 55.5% D) 44.4%
 
Answer & Explanation Answer: A) 125%

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Q:

The bar graph shows average marks scored in a 100 marks History exam by students of 7 divisions of standard X. Study the diagram and answer the following questions.

 

What is the ratio of average marks scored by Division D to Division G?

 

A) 5 : 6 B) 15 : 11
C) 11 : 15   D) 6 : 5
 
Answer & Explanation Answer: D) 6 : 5

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