Aptitude and Reasoning Questions

Q:

cot3A is equal to

A) 3cotA -­ cot3A(1 -­ 3cot2A) B) 3cotA + cot3A(1 -­ 3cot2A)
C) 3cotA -­ cot3A(1 + 3cot2A) D) 3cotA + cot3A(1 + 3cot2A)
 
Answer & Explanation Answer: A) 3cotA -­ cot3A(1 -­ 3cot2A)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The height of the equilateral triangle is 9 cm. What is the radius (in cm) of the circle circumscribing the three vertices?

A) 3 B) 6
C) 9 D) 12
 
Answer & Explanation Answer: B) 6

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If a+1b= b+1c = c+1a (a , b, c are not equal) then the value of abc = 

A) + 1 B) - 1
C) +1 & -1 D) None of the options
 
Answer & Explanation Answer: C) +1 & -1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Rs 18200 is divided among X, Y and Z in the ratio of 1/3 : 1/4 : 1/2. What is the share (in Rs) of X ?

A) 7000 B) 4400
C) 4200 D) 5600
 
Answer & Explanation Answer: D) 5600

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

A superfast Duronto express running at 90 kmph overtakes a bike running at 36 kmph in 25 seconds. What is the length of the train in meters?

A) 375 m B) 225 m
C) 275 m D) 325 m
 
Answer & Explanation Answer: A) 375 m

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

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Q:

If the product of two numbers is 2646 and their LCM is 42 then their HCF is

A) 64 B) 26
C) 46 D) 63
 
Answer & Explanation Answer: D) 63

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

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Q:

25% discount is offered on an item. By applying a promo code the customer wins 22% cash back. What is the effective discount?

A) 41.5 percent B) 50.63 percent
C) 47 percent D) 27.5 percent
 
Answer & Explanation Answer: A) 41.5 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Some equations have been solved on the basis of a certain pattern. Find the correct answer for the unsolved equation on that basis.

8x7x6=765
5x3x2=421
9x6x4= ?

A) 583 B) 853
C) 841 D) 481
 
Answer & Explanation Answer: B) 853

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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