Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 'Q ' means ' +', 'J ' means ' X',T ' ' means '- ' and 'K ' means '÷ ', then what is the value of18K3Q7J ?

A) 15 B) 10
C) 18 D) 12
 
Answer & Explanation Answer: D) 12

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Q:

In an alloy of German silver the ratio of copper to zinc was 17:7 while that of nickel to zinc was 4 :3. The ratio of copper to zinc to nickel in the alloy was

A) 17 : 21 : 4 B) 51 : 21 : 28
C) 68 : 28 : 21 D) 17 : 28 : 3
 
Answer & Explanation Answer: B) 51 : 21 : 28

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

If ab+ba = -1, then the value of a2b-b2a is

A) 1 B) -1
C) 0 D) 2
 
Answer & Explanation Answer: C) 0

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Q:

If x = at2 and y = 2at then

A) x2 = 4ay B) y2 = 4ax
C) x2 + y 2 = a2 D) x 2 -­ y2 = a 2
 
Answer & Explanation Answer: B) y2 = 4ax

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Q:

If  tan2A / (secA -­ 1)2 = x, then the value of x is

A) (1+cosecA) / (1­-cosecA) B) (1+cosA)(1-­cosA)
C) (1+cosA) / (1­-cosA) D) (1+cosecA)(1­-cosecA)
 
Answer & Explanation Answer: C) (1+cosA) / (1­-cosA)

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Q:

The value of 1/64 is equal to square of

A) 0.125 B) 0.135
C) 0.145 D) 0.225
 
Answer & Explanation Answer: A) 0.125

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Q:

In a farm, in addition to 48 hens there are 42 sheep and 11 oxen with some shepherds. If the total number of feet be 224 more than the number of heads, find the number of shepherd.

A) 11 B) 13
C) 15 D) 17
 
Answer & Explanation Answer: D) 17

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 897 B) 969
C) 888 D) 432
 
Answer & Explanation Answer: D) 432

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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