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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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What is the value of [(cos 3θ + 2cos 5θ + cos 7θ)÷(cos θ + 2cos 3θ + cos 5θ)] + sin 2θ tan 3θ?

A) cos 2θ	B) sin 2θ
C) tan 2θ	D) cot θ sin 2θ

A) cos 2θ

B) sin 2θ

C) tan 2θ

D) cot θ sin 2θ

Answer & Explanation Answer: A) cos 2θ

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1572

Find the value of '?' in $5^{12} \times 125 \div 15625 = 3125 \times 25^{?}$

A) 4	B) 3
C) 2	D) 1

A) 4

B) 3

C) 2

D) 1

Answer & Explanation Answer: B) 3

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1572

A solid brass sphere of radius 2.1 dm is converted into a right circular cylindrical rod of length 7cm. The ratio of total surface areas of the rod to the sphere is

A) 3:1	B) 1:3
C) 7:3	D) 3:7

A) 3:1

B) 1:3

C) 7:3

D) 3:7

Answer & Explanation Answer: C) 7:3

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 1572

The selling price of an item inclusive of a 16% profit was Rs. 435. What would be the percentage loss if the item was sold for Rs. 330?

A) 13	B) 12
C) 12.5	D) 12.25

A) 13

B) 12

C) 12.5

D) 12.25

Answer & Explanation Answer: B) 12

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 1572

If $y = 2 s e c θ a n d x = 3 \tan θ t h e n \frac{x^{2}}{9} - \frac{y^{2}}{4}$ is

A) 0	B) -1
C) 2	D) 1

A) 0

B) -1

C) 2

D) 1

Answer & Explanation Answer: B) -1

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 1572

Two fractions are such that their product is 4 and sum is 32/15. Find the two fractions.

A) 6/15, -10/3	B) 6/5, -10/3
C) 7/2, -8/7	D) -10/7, 14/5

A) 6/15, -10/3

B) 6/5, -10/3

C) 7/2, -8/7

D) -10/7, 14/5

Answer & Explanation Answer: A) 6/15, -10/3

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 1571

Six years ago, the ratio of the two persons P and Q was 3 : 2. Four years hence the ratio of their ages will be 8 : 7. What is P's age?

A) 10 years	B) 12 years
C) 14 years	D) 8 years

A) 10 years

B) 12 years

C) 14 years

D) 8 years

Answer & Explanation Answer: B) 12 years

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

2 1571

The mean score in a test of the 12 boys in a class was 16 while the overall mean of the 30 students in the class was 18.1. What was the mean score of the girls?