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Q:

If cos -4π/3 = x, then the value of x is

A) √3/2 B) 1/2
C) -√3/2 D) -1/2
 
Answer & Explanation Answer: D) -1/2

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If 6A = 11B = 7C; find A : B : C

A) 66:42:77 B) 77:42:66
C) 42:77:66 D) 7:11:6
 
Answer & Explanation Answer: B) 77:42:66

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

Q:

One diagonal of a rhombus is half the other. If the length of the side of the rhombus is 20 cm, what is the area of the rhombus?

A) 320 sq cm B) 160 sq cm
C) 240 sq cm D) 360 sq cm
 
Answer & Explanation Answer: A) 320 sq cm

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Filed Under: Average
Exam Prep: Bank Exams

Q:

The average revenues of 7 consecutive years of a company is Rs 83 lakhs. If the average of first 4 years is Rs 78 lakhs and that of last 4 years is Rs 90 lakhs, find the revenue for the 4th year.

A) Rs 91 lakhs B) Rs 93 lakhs
C) Rs 89 lakhs D) Rs 87 lakhs
 
Answer & Explanation Answer: A) Rs 91 lakhs

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Exam Prep: Bank Exams

Q:

The ten's digit of a 2-digit number is greater than the units digit by 7. If we subtract 63 from the number, the new number obtained is a number formed by interchange of the digits. Find the number.

A) 81 B) 18
C) 62 D) 26
 
Answer & Explanation Answer: A) 81

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

If 2 + 4x < 5 - x/2 and 3x + 3 > -5 - 3x; then x can take which of the following values?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If (x + y):(x - y) = 11:1, find value of (5x + 3y)/(x - 2y).

A) 45/4 B) 4/45
C) -45/4 D) -4/45
 
Answer & Explanation Answer: C) -45/4

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

Q:

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs 8. The sum is ______.

A) Rs 10000 B) Rs 20000
C) Rs 5000 D) Rs 15000
 
Answer & Explanation Answer: C) Rs 5000

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Filed Under: Simple Interest
Exam Prep: Bank Exams