Quantitative Aptitude - Arithmetic Ability Questions

Q:

The difference between compound interest compoundedevery 6 months and simple interest after 2 years is 248.10.The rate of interest is 10 percent. Find the sum

A) 12000 B) 14000
C) 16000 D) 18000
 
Answer & Explanation Answer: C) 16000

Explanation:

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Q:

A cloth merchant has announced 25% rebate in prices. If one needs to have a rebate of Rs. 40, then how many metres of cloth costing Rs. 32 per metre he should purchase 

A) 6m B) 5m
C) 10m D) 7m
 
Answer & Explanation Answer: B) 5m

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

The perimeter of a rectangle whose length is 6 metre more than its breadth is 84 metre. What is the area of the triangle whose base is equal to the diagonal of the rectangle and height is equal to the length of the rectangle?

A) 360sq metre B) 380 sq metre
C) 360 metre D) 400 sq metre
 
Answer & Explanation Answer: A) 360sq metre

Explanation:

Let the breadth of rectangle be x m.

Then, the length of rectangle = (x+ 6) m

Perimeter of rectangle = 2 (x+x+ 6) m

Therefore, 2 (x+x+ 6) = 84 m

4x+ 12 = 84

4x= 84 –12
4x = 72/4 = 18
Therefore, length of rectangle = 18 + 6 = 24 m = height of triangle

Diagonal of rectangle = √(324+576) = 30 m = base of triangle

Therefore, are of triangle =1/2× base × height =1/2× 24 × 30 = 360 sq. m

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Filed Under: Area
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Job Role: Bank PO , Bank Clerk

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Q:

Find the total surface area (in cm2) of a cube of side 7.5 cm.

A) 364.5 B) 446
C) 337.5 D) 684
 
Answer & Explanation Answer: C) 337.5

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Filed Under: Area
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Q:

Working alone A can do the task in 27 hours and B can do it in 54 hours. Find C's share (in Rs) if A, B and C get paid Rs 4,320 for completing a task in 12 hours on which they worked together.

A) 1440 B) 960
C) 1920 D) 1280
 
Answer & Explanation Answer: A) 1440

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A batsman scores 98 runs in the 17th match of his career. His average runs per match increased by 2.5. What is his average before the 17th match?

A) 58 B) 60.5
C) 63 D) 55.5
 
Answer & Explanation Answer: D) 55.5

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Filed Under: Average
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Q:

In the given figure, PQR is a quadrant whose radius is 7 cm. A circle is inscribed in the quadrant as shown in the figure. What is the area (in sq.cm) of the circle?

 

A) 385 – 221√2 B) 308 – 154√2
C) 154 – 77√2 D) 462 – 308√2
 
Answer & Explanation Answer: D) 462 – 308√2

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Filed Under: Area
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Q:

A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?

A) 8 B) 6
C) 10 D) 9
 
Answer & Explanation Answer: D) 9

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Filed Under: Time and Work
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