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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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What is the simplified value of ${(\frac{cosec A}{\cot A + \tan A})}^{2}$ ?

A) 2cos 2A	B) 1 – sin2 A
C) sec2A	D) secA tanA

A) 2cos 2A

B) 1 – sin2 A

C) sec2A

D) secA tanA

Answer & Explanation Answer: B) 1 – sin2 A

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1544

If tan x = 1, 0 < x < 90, then what is the value of 2 sin x cos x?

A) 1/2	B) 1
C) √3/2	D) √3

A) 1/2

B) 1

C) √3/2

D) √3

Answer & Explanation Answer: B) 1

Explanation:

tan x = 1

then x = 45

2sin x. cos x = 2× 1/√2 x 1/√2 = 1

an x = 1

then

x = 45

o

2sin x. cos x =

2

×

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Filed Under: Simplification
Exam Prep: Bank Exams

1 1544

Find the odd word/letters/number from the given alternatives

A) Wolf	B) Cat
C) Dog	D) Fox

A) Wolf

B) Cat

C) Dog

D) Fox

Answer & Explanation Answer: B) Cat

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1544

If price of the table is increased by 25%, then a person can buy 25 table less for Rs 25000. What is the original price (in Rs) of the table?

A) 225	B) 250
C) 200	D) 167

A) 225

B) 250

C) 200

D) 167

Answer & Explanation Answer: C) 200

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

2 1544

If 31x + 31y = 403, then what is the average of x and y?

A) 3.5	B) 5
C) 6.5	D) 13

A) 3.5

B) 5

C) 6.5

D) 13

Answer & Explanation Answer: C) 6.5

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1544

Deepak marks the price of his table 60% above the cost price. He gives some discount on it and earns profit of 15.2%. What is the discount percentage?

A) 36.4	B) 28
C) 44.8	D) 38.9

A) 36.4

B) 28

C) 44.8

D) 38.9

Answer & Explanation Answer: B) 28

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams , CAT

3 1544

A wooden bowl is in shape of a hollow hemisphere of internal radius 7 cm and thickness 1 cm. What is the total surface area (in sq.cm) of the bowl? (Take: = 22/7)