Quantitative Aptitude - Arithmetic Ability Questions

Q:

The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19. Find the first term

A) 3 B) 5
C) 7 D) 8
 
Answer & Explanation Answer: A) 3

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Q:

If α and β are the roots of equation x2   x + 1 = 0, then which equation will have roots α3 and β3?

A) x2 + 2x + 1 = 0 B) x2 – 2x – 1 = 0
C) x2 + 3x – 1 = 0 D) x2 – 3x + 1 = 0
 
Answer & Explanation Answer: A) x2 + 2x + 1 = 0

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Q:

Reflection of the point (4,-5) in the y-axis is

A) (4,5) B) (-4,-5)
C) (4,-5) D) (-4,5)
 
Answer & Explanation Answer: B) (-4,-5)

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Q:

Find the value of 532+108

A) 732 B) 1732
C) 2732 D) 3732
 
Answer & Explanation Answer: B) 1732

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Q:

A watch is sold at a discount of 62.5%. If the marked price of the watch is Rs 16320, then what is the selling price (in Rs) of the watch?

 

 

A) 7230 B) 6120
C) 5840 D) 4820
 
Answer & Explanation Answer: B) 6120

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Q:

ABCD is a cyclic quadrilateral DBA=50° and ADE=33°, then the measurement of BCD is

A) 83° B) 80°
C) 75° D) 60°
 
Answer & Explanation Answer: A) 83°

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Q:

At 5% simple interest per annum a certain sum yields a total amount of Rs. 2,790 at the end of 3 1/4 years. The sum invested was

A) Rs. 2350 B) Rs. 2400
C) Rs. 2600 D) Rs. 2550
 
Answer & Explanation Answer: B) Rs. 2400

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Q:

­ A wooden bowl is in shape of a hollow hemisphere of internal radius 8 cm and thickness 1 cm. Find the total surface area of the bowl?

A) 964.85 sq cms B) 1125.14 sq cms
C) 1687.71 sq cms D) 281.29 sq cms
 
Answer & Explanation Answer: A) 964.85 sq cms

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Filed Under: Volume and Surface Area
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