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Q:

If ${cosec}^{4} A - {cosec}^{2} A = x$ , then value of x is?

A) tan4A + tan2A	B) cot4A + cot2A
C) cot4A - cot2A	D) tan4A - tan2A

Answer & Explanation Answer: B) cot4A + cot2A

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 12% per annum is Rs 72. What is the value of given sum (in Rs)?

A) 10000	B) 20000
C) 5000	D) 15000

Answer & Explanation Answer: C) 5000

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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

Q:

Factors of $48 x^{3} - 8 x^{2} - 93 x - 45$ are

A) (4x + 3)(4x - 3)(3x - 5)	B) (4x - 3)(4x - 3)(3x- 5)
C) (4x + 3)(4x + 3)(3x - 5)	D) (4x - 3)(4x + 3)(3x + 5)

Answer & Explanation Answer: C) (4x + 3)(4x + 3)(3x - 5)

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If 2cosAsinB = x, then the value of x is?

A) sin(A+B) + sin(A-B)	B) cos(A+B) + cos(A-B)
C) sin(A+B) - sin(A-B)	D) cos(A-B) - cos(A+B)

Answer & Explanation Answer: C) sin(A+B) - sin(A-B)

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

A does 75% of a work in 50 days. He then calls in B and they together finish the remaining work in 10 days. How long B alone would take to complete the whole work?

A) 200 days	B) 50 days
C) 100 days	D) 125 days

Answer & Explanation Answer: C) 100 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

Q:

Raj sells a machine for Rs 51 lakhs at a loss. Had he sold it for Rs 60 lakh, his gain would have been 8 times the earlier loss. What is the cost price of the machine?

A) Rs 59 lakhs	B) Rs 52 lakhs
C) Rs 66.375 lakhs	D) Rs 45 lakhs

Answer & Explanation Answer: B) Rs 52 lakhs

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

Who wrote the book, 'Indian Home Rule'?

A) M K Gandhi	B) Jawaharlal Nehru
C) Subhash Chandra Bose	D) Babasaheb Ambedkar

Answer & Explanation Answer: A) M K Gandhi

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Filed Under: Books and Authors
Exam Prep: Bank Exams

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