Aptitude and Reasoning Questions

Q:

x and y are two numbers such that their mean proportion is 8 and third proportion is 512. What is the value of x and y?

A) 2 and 16 B) 2 and 32
C) 4 and 32 D) 4 and 16
 
Answer & Explanation Answer: B) 2 and 32

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams , CAT

4 1602
Q:

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

A) 1716 B) 2730
C) 3360 D) 4086
 
Answer & Explanation Answer: D) 4086

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1602
Q:

If x = 2+32-3, then what is the value of x2+x-9 ?

A) 0 B) 3√2
C) 3√3 D) 5√3
 
Answer & Explanation Answer: D) 5√3

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1602
Q:

20% of a man's salary is paid as rent, 60% are his living expenses and 10% are his savings. If he spends remaining  30 on the education of his children, find his salary

A) 300 B) 900
C) 3000 D) 9000
 
Answer & Explanation Answer: A) 300

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Filed Under: Percentage
Exam Prep: Bank Exams

0 1602
Q:

If 4!4 = 80, 3!8 = 110 and 6!2 = 80, then find the value of 7!9 = ?

A) 70 B) 100
C) 60 D) 160
 
Answer & Explanation Answer: D) 160

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

2 1601
Q:

The sum of 6xy(2x - 4z) , 3yz(2x - 3z) and 4xz(3y - 2y2) is

A) 12x2y - 6xyz - 9yz2 + 8xy2z B) 12x2y - 6xyz + 9yz2 - 8xy2z
C) 12x2y - 6xyz - 9yz2 - 8xy2z D) 12x2y + 6xyz - 9yz2 - 8xy2z
 
Answer & Explanation Answer: C) 12x2y - 6xyz - 9yz2 - 8xy2z

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Filed Under: Simplification
Exam Prep: Bank Exams

2 1601
Q:

Selling price of a calculator is Rs 13924 and profit percentage is 18%. If selling price is Rs 10266, then what will be the loss percentage?

A) 17.2 B) 13
C) 14.9 D) 11
 
Answer & Explanation Answer: B) 13

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 1601
Q:

If a and b are the roots of the equation Px2  Qx + R = 0, then what is the value of (1/a2) + (1/b2) + (a/b) + (b/a)?

A) Q2-2P2R+PPR2 B) Q2-2PRR+PPR2
C) Q2-2R2P+RP2R2 D) Q2-2PR2R+2PP2R2
 
Answer & Explanation Answer: B) Q2-2PRR+PPR2

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1601