Aptitude and Reasoning Questions

Q:

If √[(1 - cosA)/2] = x, then the value of x is

A) cos(A/2) B) tan(A/2)
C) sin(A/2) D) cot(A/2)
 
Answer & Explanation Answer: C) sin(A/2)

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Filed Under: Simplification
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Q:

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

If all students of Division B got bonus 5 marks each for winning an interschool match their new average marks would increase by how much?

A) 12.50% B) 5%
C) 25% D) 10%
 
Answer & Explanation Answer: A) 12.50%

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Filed Under: Bar Charts
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Q:

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

A) 36√3 B) 9
C) 36 D) 9√3
 
Answer & Explanation Answer: D) 9√3

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Filed Under: Area
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Q:

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
A, E, I, M, ?

A) P B) Q
C) R D) O
 
Answer & Explanation Answer: B) Q

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Filed Under: Alphabet Test
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Q:

Three words in bold letters are given in each question, which have something in common among themselves. Out of the four given alternatives, choose the most appropriate description about these three words.

Vesuvius: Etna: Kilimanjaro

A) These are sites of volcanoes. B) These are island countries.
C) These are hills of Italy. D) These lie in polar region
 
Answer & Explanation Answer: A) These are sites of volcanoes.

Explanation:

These are sites of volcanoes.

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Q:

19 personswentto a hotel for a combineddinner party. 13 of them spent Rs 79 each on their dinner and the rest spent Rs 4 more than the average expenditure of all the 19. What was the total money spent by them?

A) 1628.4 B) 1534
C) 1492 D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:

Let the average expenditure of 19 people be x

⇒19x = 13 X 79 + 6 X (x+4)⇒19x = 13 X 79 + 6x +24

⇒x = 80.84

So, total money spent by them = 1536.07

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Filed Under: Average
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Q:

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

 

8 - 14 + 7 x 10 ÷ 9 = ?

 

A) 15 B) 28
C) 20 D) 30
 
Answer & Explanation Answer: A) 15

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Filed Under: Coding and Decoding
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Q:

Six girls are sitting in a row facing north. Garima is between Reena and Amita, Amita is on the immediate left of Pooja and Arpita is to the left of Rekha. Who is at the extreme left end?

A) Reena B) Arpita
C) Amita D) Cannot be determined
 
Answer & Explanation Answer: D) Cannot be determined

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Filed Under: Arithmetical Reasoning
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