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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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20% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?

A) 30.8 percent	B) 30 percent
C) 12 percent	D) 28 percent

A) 30.8 percent

B) 30 percent

C) 12 percent

D) 28 percent

Answer & Explanation Answer: D) 28 percent

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

1 2096

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 2095

$\sec^{2} {Acosec}^{2} A$ is equal to

A) sec2A - cosec2A	B) √[sec2A + cosec2A]
C) sec2A + cosec2A	D) √[sec2A - cosec2A]

A) sec2A - cosec2A

B) √[sec2A + cosec2A]

C) sec2A + cosec2A

D) √[sec2A - cosec2A]

Answer & Explanation Answer: C) sec2A + cosec2A

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2095

If (x+a) is the H.C.F of $2 x^{2} + 5 x - 12 and x^{2} + x - 12$ then find the value of a.

A) -3	B) -2
C) 4	D) 5

A) -3

B) -2

C) 4

D) 5

Answer & Explanation Answer: C) 4

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2095

If 3x + 5y + 7z = 49 and 9x + 8y + 21z = 126, then what is the value of y?

A) 4	B) 2
C) 3	D) 5

A) 4

B) 2

C) 3

D) 5

Answer & Explanation Answer: C) 3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2094

Mr. Mike borrowed Rs. 8500 at 4% per annum C.I. The C.I. compounded annally for 2 years is :

A) Rs. 9139.6	B) Rs. 639.6
C) Rs. 9193.6	D) Rs. 693.6

A) Rs. 9139.6

B) Rs. 639.6

C) Rs. 9193.6

D) Rs. 693.6

Answer & Explanation Answer: D) Rs. 693.6

Explanation:

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Filed Under: Compound Interest
Exam Prep: Bank Exams

6 2094

1/8 th of the audience of a program Jabardast were children, 2/5th of the audience were men and the rest women. If the number of women audience is 380, find the total number of audience in the program?

A) 600	B) 500
C) 400	D) 800

A) 600

B) 500

C) 400

D) 800

Answer & Explanation Answer: D) 800

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

2 2094

Two water-squash mixtures, the first having a water-to-squash ratio of 4 : 1 and the other having a ratio of 3 : 1, are blended in the ratio 1 : 2. What is the water : squash ratio in the blend?