Aptitude and Reasoning Questions

Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

? , Hexane, Heptane, Octane

A) Pentane B) Benzene
C) Nonane D) Methane
 
Answer & Explanation Answer: A) Pentane

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Filed Under: Logical Sequence of Words
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Q:

ax + 5y = 8 has slope of -4/3. What is the value of a?

A) 20/3 B) 3/20
C) -20/3 D) -3/20
 
Answer & Explanation Answer: A) 20/3

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Filed Under: Simplification
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Q:

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.

nature, ensure, tense, spent, spurn, ?

A) pushup B) thrash
C) upturn D) asset
 
Answer & Explanation Answer: C) upturn

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Filed Under: Logical Sequence of Words
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Q:

In this question, the sets of numbers given in the alternatives are represented. The columns and rows of Matrix I are numbered from 0 to 3 and that of Matrix II are numbered from 5 to 8. A letter from these matrices can be represented first by its row and next by its column, e.g., E can be represented by 00,11, etc., and 'I' can be represented by 56, 86, etc. Similarly you have to identify the set for the word 'TOLD'

A) 67, 30, 55, 13 B) 76, 02, 13, 55
C) 76, 33, 55, 31 D) 85, 02, 23, 31
 
Answer & Explanation Answer: C) 76, 33, 55, 31

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Filed Under: Figure Matrix
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Q:

A chord of length 16 cm is drawn in a circle of radius 10 cm. The distance of the chord from the centre of the circle is

A) 8cm B) 6cm
C) 4cm D) 12cm
 
Answer & Explanation Answer: B) 6cm

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Filed Under: Volume and Surface Area
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Q:

If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:­

A) 60° B) 45°
C) 30° D) 90°
 
Answer & Explanation Answer: C) 30°

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Q:

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

 

13 + 8 x 2 ÷ 25 - 10 = ?

 

A) 46 B) 10
C) 49   D) 19
 
Answer & Explanation Answer: B) 10

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Filed Under: Coding and Decoding
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Q:

Find the area (in cm²) of a semi-circle of radius 21 cm.

A) 1386 B) 960
C) 693 D) 1920
 
Answer & Explanation Answer: C) 693

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Filed Under: Area
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