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

Q:

If $x = \frac{2 + \sqrt{3}}{2 - \sqrt{3}}$ , then what is the value of x+1/x ?

A) 14	B) 8
C) 0	D) 1

Answer & Explanation Answer: A) 14

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0 731

Q:

If $x = 2 + \sqrt{3},$ then what is the value of $\sqrt{2 x} + \frac{1}{\sqrt{2 x}} ?$

A) 23	B) 33
C) (33+1)/2	D) 1

Answer & Explanation Answer: C) (33+1)/2

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0 949

Q:

If $x + \frac{1}{x} = 4, then what is the value of x^{6} + \frac{1}{x^{6}} ?$

A) 52	B) 256
C) 1026	D) 2702

Answer & Explanation Answer: D) 2702

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0 920

Q:

$If y = \frac{2 - x}{1 + x}, then what is the value of \frac{1}{y + 1} + \frac{2 y + 1}{y^{2} - 1} ?$

A) (1+x)(2-x)2x-1	B) (1-x)(2+x)x-1
C) (1+x)(2-x)1-2x	D) (1+x)(1-2x)2-x

Answer & Explanation Answer: C) (1+x)(2-x)1-2x

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0 916

Q:

In the triangle ABC,∠BAC = 50° and the bisectors of ∠ABC and ∠ACB meets at P. What is the value (in degrees) of ∠BPC?

A) 100	B) 105
C) 115	D) 125

Answer & Explanation Answer: C) 115

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1 1061

Q:

Two circles of same radius intersect each other at P and Q. If the length of the common chord is 30 cm and distance between the centres of the two circlesis 40 cm, then what is the radius (in cm) of the circles?

A) 25	B) 26
C) 27	D) 28

Answer & Explanation Answer: A) 25

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Q:

In the given figure, $∠$ QRN = 40 $°$ , $∠$ PQR = 46 $°$ and MN is a tangent at R. What is the value (in deg) of x, y and z respectively?

A) 40, 46, 94	B) 40, 50, 90
C) 46, 54, 80	D) 50, 40, 90

Answer & Explanation Answer: A) 40, 46, 94

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Q:

In ΔPQR, ∠R = 54°, the perpendicular bisector of PQ at S meets QR at T. If ∠TPR = 46°, then what is the value (in degrees) of ∠PQR?

A) 25	B) 40
C) 50	D) 60

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.