Quantitative Aptitude - Arithmetic Ability Questions

Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the

 

A) 63 – 67 B) 17 – 21
C) 39 – 43 D) 31 – 37
 
Answer & Explanation Answer: D) 31 – 37

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Filed Under: Odd Man Out
Exam Prep: Bank Exams , CAT

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Q:

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) (104, 101, 96) B) (109, 106, 101)
C) (97, 94, 89) D) (121, 118, 111)
 
Answer & Explanation Answer: D) (121, 118, 111)

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

What is the value of Cot 45° + Cosec 60°?

A) (√6 + 1)/√3 B) (1 + √3)/2
C) 5/√3 D) (√3 + 2)/√3
 
Answer & Explanation Answer: D) (√3 + 2)/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:3 and area of ΔABC is 100 sq cm, what is the area (in sq cm) of quadrilateral BDEC?

A) 84 B) 16
C) 25 D) 75
 
Answer & Explanation Answer: A) 84

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is

A) 10000 B) 20000
C) 15000 D) 32250
 
Answer & Explanation Answer: A) 10000

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

What is the simplified value of (cosec A + sin A)(cosec A – sin A)?

A) cos2A + cot2A B) 2 cos2A
C) 2 cot2A D) 2 cos A cot A
 
Answer & Explanation Answer: A) cos2A + cot2A

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Q:

The sum of the cubes of two numbers in the ratio 3 : 4 is 5824. The sum of the numbers is:

A) 21 B) 28
C) 24 D) 14
 
Answer & Explanation Answer: B) 28

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

The average revenues of 13 consecutive years of a company is Rs 78 lakhs. If the average of first 7 years is Rs 73 lakhs and that of last 7 years is Rs 85 lakhs, what is the revenue for the 7th year?

A) Rs 94 lakhs B) Rs 90 lakhs
C) Rs 88 lakhs D) Rs 92 lakhs
 
Answer & Explanation Answer: D) Rs 92 lakhs

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Filed Under: Average
Exam Prep: Bank Exams

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