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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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The value of $(x^{\frac{1}{3}} + x^{\frac{- 1}{3}}) (x^{\frac{2}{3}} - 1 + x^{\frac{- 2}{3}})$

A) x-1+x23	B) x+x-13
C) x13+x-1	D) x+x-1

A) x-1+x23

B) x+x-13

C) x13+x-1

D) x+x-1

Answer & Explanation Answer: C) x13+x-1

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1866

What is the measure of the central angle of the sector whose area is 462 sq cm and radius of the circle is 21 cm?

A) 90°	B) 60°
C) 30°	D) 120°

A) 90°

B) 60°

C) 30°

D) 120°

Answer & Explanation Answer: D) 120°

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 1865

To cover a distance of 252 km in 2.5 hours what should be the average speed of the car in meters/second?

A) 100.8 m/s	B) 50.4 m/s
C) 28 m/s	D) 56 m/s

A) 100.8 m/s

B) 50.4 m/s

C) 28 m/s

D) 56 m/s

Answer & Explanation Answer: C) 28 m/s

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

1 1865

A fan was sold for Rs. 3600 at a loss of 4%. What would be the gain or loss percent ifit was sold for Rs. 4200?

A) Gain 10%	B) Gain 12%
C) Loss 12%	D) Loss 10%

A) Gain 10%

B) Gain 12%

C) Loss 12%

D) Loss 10%

Answer & Explanation Answer: B) Gain 12%

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 1865

If the selling price is doubled, the profit triples. The profit percent is

A) 66.6%	B) 150%
C) 100%	D) 190%

A) 66.6%

B) 150%

C) 100%

D) 190%

Answer & Explanation Answer: C) 100%

Explanation:

Let CP be x and SP be y.

3(y –x) = (2y –x)y = 2x

Profit = y –x = 2x –x = x

Profit% = x/x X 100 = 100%

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Filed Under: Profit and Loss

2 1864

In $∆ XYZ$ measure of angle Y is 90 deg. If sinX = 4/5, and XY = 6cm, then what is the length (in cm) of side YZ?

A) 10	B) 5
C) 8	D) 4

A) 10

B) 5

C) 8

D) 4

Answer & Explanation Answer: C) 8

Explanation:

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

0 1864

The railway fares of air conditioned sleeper and ordinary sleeper class are in the ratio 4:1. The number of passengers travelled by air conditioned sleeper and ordinary sleeper classes were in the ratio 3:25. If the total collection was Rs. 37,000, how much did air conditioner sleeper passengers pay?

A) Rs. 15,000	B) Rs. 10,000
C) Rs. 12,000	D) Rs. 16,000

A) Rs. 15,000

B) Rs. 10,000

C) Rs. 12,000

D) Rs. 16,000

Answer & Explanation Answer: C) Rs. 12,000

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 1863

If two flood gates A and B function simultaneously, the reservoir will be filled iu 6 hours. Gate A fills the reservoir 5 hours faster than gate B. How many hours does the faster flood gate take to fill the reservoir?