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

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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

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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

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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

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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

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Q:

In the following question, select the odd letters from the given alternatives.

A) MN B) NM
C) OL D) ET
 
Answer & Explanation Answer: D) ET

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

The two roots of a quadratic equation are given as x = 1/7 and x = -1/8 . The equation can be written as:

A) (7x − 1)(8x − 1) = 0 B) (7x − 1)(8x + 1) = 0
C) (7x + 1)(8x − 1) = 0 D) (7x + 1)(8x + 1) = 0
 
Answer & Explanation Answer: B) (7x − 1)(8x + 1) = 0

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

If price of oranges is increased by 30%, then a person can buy 12 oranges less for Rs 208. What is the original price (in Rs) of an orange?

A) 2 B) 4
C) 8 D) 3
 
Answer & Explanation Answer: B) 4

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Filed Under: Simplification
Exam Prep: Bank Exams

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