Aptitude and Reasoning Questions

Q:

The interest earned on Rs. 1600 at the rate of 5% S>I per annum for 6 yrs would be:

A) 2080 B) 450
C) 496 D) 480
 
Answer & Explanation Answer: D) 480

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Filed Under: Simple Interest
Exam Prep: Bank Exams

2 2403
Q:

The length of the radius of the circumference of a triangle having sides 9 cm, 12 cm and 15 cm is

A) 6 cm B) 7.5 cm
C) 4.5 cm D) 8 cm
 
Answer & Explanation Answer: B) 7.5 cm

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Filed Under: Area
Exam Prep: Bank Exams

7 2402
Q:

Arrange the given words in the sequence in which they occur in the dictionary.
i. Amateur
ii. Abominable
iii. Amalgamable
iv. Accumulate

A) ii, i, iv, iii B)  iii, iv, ii, i
C) ii, iv, i, iii D) ii, iv, iii, i
 
Answer & Explanation Answer: D) ii, iv, iii, i

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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

0 2401
Q:

If (1 + secA)/tanA = x, then x is

A) cot(A/2) B) tan(A/2)
C) cosec(A/2) D) sec(A/2)
 
Answer & Explanation Answer: A) cot(A/2)

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Filed Under: Simplification
Exam Prep: Bank Exams

6 2400
Q:

If a+b=3 then the value of a3+b3+9ab-­27 is

A) 24 B) 25
C) 0 D) 27
 
Answer & Explanation Answer: C) 0

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Filed Under: Simplification
Exam Prep: Bank Exams

2 2400
Q:

Sum of cubes of first n even natural numbers.

Answer

Proof of Sum of cubes of first n even natural numbers ::


sum_of_cubes_of_first_n_even_natural_numbers1556603651.png image


 


Hence, in other words, the sum of the first n cubes is the square of the sum of the first n natural numbers.

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Subject: Simplification Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 2400
Q:

0.0245¯ written as a vulgar fraction in its simplest form = ?

A) 9/370 B) 27/1111
C) 27/1100 D) 9/37
 
Answer & Explanation Answer: C) 27/1100

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

3 2399
Q:

S, T and U together can complete a work in 30 days. If the ratio of efficiency of S, T and U is 20 : 15 : 12 respectively, then in how many days U alone can complete the same work?

A) 195/2 B) 235/2
C) 225/2 D) 215/2
 
Answer & Explanation Answer: B) 235/2

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Filed Under: Time and Work
Exam Prep: Bank Exams

7 2398