What is the compound interest earned at the end of | Quantitative Aptitude - Arithmetic Ability Questions & Answers

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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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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Q:

If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:

A) 60°	B) 45°
C) 30°	D) 90°

Answer & Explanation Answer: C) 30°

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Q:

$∆ A B C$ inscribed in a circle so that BC is a diameter. The tangent at a point C intersects BA when produced at a point D. If $∠ A B C = 36 °$ then the value of $∠ A D C$ is

A) 36°	B) 44°
C) 48°	D) 54°

Answer & Explanation Answer: D) 54°

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Q:

ΔABC is similar to ΔDEF. If the ratio of similar sides is K:1, the ratio of their areas is

A) k2:1	B) 2k:1
C) k22:1	D) 2k2:1

Answer & Explanation Answer: A) k2:1

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Q:

If k is the largest possible real number such that $p^{4} + q^{4} = (p^{2} + k p q + q^{2}) (p^{2} - k p q + q^{2}),$ then the value of k is

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

Answer & Explanation Answer: D) 2

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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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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

A) I and II only	B) II and III only
C) I and III only	D) Either II or III only

What is the compound interest earned at the end of 3 years?

I. Simple interest earned on that amount at the same rate and for the same period is Rs. 4500.

II.The rate of interest is 10 p.c.p.a.

III.Compound interest for 3 years is more than the simple interest for that period by Rs.465.

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What is the compound interest earned at the end of 3 years? I. Simple interest earned on that amount at the same rate and for the same period is Rs. 4500. II.The rate of interest is 10 p.c.p.a. III.Compound interest for 3 years is more than the simple interest for that period by Rs.465.

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What is the compound interest earned at the end of 3 years?

I. Simple interest earned on that amount at the same rate and for the same period is Rs. 4500.

II.The rate of interest is 10 p.c.p.a.

III.Compound interest for 3 years is more than the simple interest for that period by Rs.465.