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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

A company reduces his employee in the ratio 14 : 12 andincreases their wages in the ratio 16:18. Determine whetherthe bill of wages increases or not and in what ratio

A) Decreases, 28: 27 B) Increases, 27:28
C) Decreases, 29:28 D) Increases, 28:29
 
Answer & Explanation Answer: A) Decreases, 28: 27

Explanation:

Let the initial employee be 14a and final employee be 12a

similarly initial wage is 16b and final wage be 18b

Total initial wage = 14a × 16b = 224ab,

total final wage= 12a × 18b = 216ab

So clearly wages decreases and ratio = 224ab: 216ab= 28 : 27

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Filed Under: Ratios and Proportions

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Q:

If cot A = [sin B/(1 – cos B)], then what is the value of cot 2A?

A) cot(B/2) B) cot 2B
C) cot B D) tan B
 
Answer & Explanation Answer: C) cot B

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

5 2766
Q:

In the following question, select the odd number from the given alternatives.

A) 313 B) 426
C) 925 D) 1034
 
Answer & Explanation Answer: A) 313

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

In the given figure, MNOP is a square of side 6 cm. What is the value ( in cm ) of radius of circle?

A) 4.25 B) 3.75
C) 3.5 D) 4.55
 
Answer & Explanation Answer: B) 3.75

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 2762
Q:

A dishonest dealer professes to sell his goods at cost price but uses a weight of 875 gms for the kilogram weight. His gain in percentage is

A) 17% B) 14 5/7%
C) 14 2/7% D) 14%
 
Answer & Explanation Answer: C) 14 2/7%

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

0 2759
Q:

A tent is to be built in the form of a cylinder of radius 10 m surmounted by a cone of the same radius. If the height of the cylindrical part is 5 m and slant height of the conical part is 15 m, how much canvas will be required to build the tent? Allow 20% extra canvas for folding and stitching. (Take π = 22/7)

A) 4714.43 sq m B) 3772.14 sq m
C) 6783.86 sq m D) 2451.42 sq m
 
Answer & Explanation Answer: D) 2451.42 sq m

Explanation:
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Filed Under: Area

3 2759
Q:

Divide 150 into two parts such that the sum of their reciprocals is 3/112. Calculate both the parts.

A) 50, 90 B) 70, 80
C) 60, 90 D) 50, 100
 
Answer & Explanation Answer: B) 70, 80

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

5 2758
Q:

A trader sells two items at the rate of Rs 400 each. If he gains 15% on one and losses 15% on other, then what is the value (in Rs) of loss ?

A) 18.41 B) 22.14
C) 20.25 D) 24.36
 
Answer & Explanation Answer: A) 18.41

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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