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Q:

If $r \sin θ = \sqrt{3}$ and $r \cos θ = 1$ , then the values of r and $θ$ are: $(0 ° ⩽ θ \leq 90 °)$

A) r=1, θ=30°	B) r=1⁄2, θ=30°
C) r=3 , θ=30°	D) r=2, θ=60°

Answer & Explanation Answer: D) r=2, θ=60°

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, the compound interest on the same at the same rate and for the same time is:

A) Rs. 50.50	B) Rs. 51.25
C) Rs. 51.50	D) Rs. 50.05

Answer & Explanation Answer: B) Rs. 51.25

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

Q:

If $a + b + c = 15 a n d \frac{1}{a} + \frac{1}{b} + \frac{1}{c} = \frac{71}{a b c},$ then the $a^{3} + b^{3} + c^{3} - 3 a b c$ is

A) 160	B) 180
C) 200	D) 220

Answer & Explanation Answer: B) 180

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

Eight members of a club donate Rs. 100 each towards a Relief Fund and the President of the club donates Rs. 50 more than the average donation of all (including President) of them. Then the contribution of the president is

A) 106.25	B) 156.25
C) 56.25	D) 206.25

Answer & Explanation Answer: A) 106.25

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

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

Answer & Explanation Answer: B) -1

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

If $x + 5 + \frac{1}{x + 1} = 6$ then the value of ${(x + 1)}^{3} + \frac{1}{(x + 1)}$ ³ is

A) 2	B) 0
C) -2	D) 4

Answer & Explanation Answer: A) 2

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

Two trains start from a certain place on two parallel tracks in the same direction. The speed of the trains are 45 Km/hr and 40 Km/hr respectively. The distance between the two trains after 45 minutes will be

A) 2.5 km	B) 2.75 km
C) 3.7 km	D) 3.75 km

Answer & Explanation Answer: D) 3.75 km

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

If price of an article decreases from P1 to Rs 25, quantity demanded increases from 900 units to 1200 units. If point elasticity of demand is 2 find P1?

A) Rs. 20	B) Rs. 30
C) Rs. 25	D) Rs. 35

Answer & Explanation Answer: B) Rs. 30

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Filed Under: Physics

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