Aptitude and Reasoning Questions

Q:

If (cotA - cosecA)2 = x, then the value of x is

A) (1 - cosA)/(1 + cosA) B) (1 - sinA)/(1 + sinA)
C) (1 - secA)/(1 + secA) D) (1 - cosecA)/(1 + cosecA)
 
Answer & Explanation Answer: A) (1 - cosA)/(1 + cosA)

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Q:

Of three positive numbers, the ratio of first and second is 5 : 2, ratio of second and third is 5 : 4. The product of first and third is 1800. What is the sum of the three numbers?

A) 43 B) 133
C) 119 D) 129
 
Answer & Explanation Answer: D) 129

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Filed Under: Ratios and Proportions
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Q:

A General of an Army wants to create a formation of square from 36562 army men. After arrangement, he found some army men remained unused. Then the number of such army men remained unused was

A) 36 B) 65
C) 81 D) 97
 
Answer & Explanation Answer: C) 81

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Filed Under: Arithmetical Reasoning
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Q:

A and B have their annual average income Rs. 80,000.
B and C have their annual average income Rs. 75,000.
C and A have their annual average income Rs. 78,000.

The annual income of A is ?

A) Rs. 81000 B) Rs. 82000
C) Rs. 83000 D) Rs. 84000
 
Answer & Explanation Answer: C) Rs. 83000

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Q:

If the three numbers in the ratio 3:2:5 be such that the sum of the squares is equal to 1862 then which number is the middle one.

A) 16 B) 14
C) 13 D) 15
 
Answer & Explanation Answer: B) 14

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Filed Under: Ratios and Proportions
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Q:

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

A) B)
C) D)
 
Answer & Explanation Answer: C)

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Filed Under: Image Analysis
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Q:

If 1/√(cosec2A - 1) = x, then value of x is

A) cotA B) tanA
C) sinA D) cosA
 
Answer & Explanation Answer: B) tanA

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Q:

Find length of the arc whose central angle is 45° and radius of the circle is 28 cm?

A) 11 cm B) 33 cm
C) 44 cm D) 22 cm
 
Answer & Explanation Answer: D) 22 cm

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