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Q:

The first and last terms of an arithmetic progression are 23 and 42. What is the sum of the series if it has 14 terms?

A) 91	B) -133
C) 93	D) 133

Answer & Explanation Answer: B) -133

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

If 6A = 7B = 5C; find A : B : C

A) 42:30:35	B) 30:35:42
C) 5:7:6	D) 35:30:42

Answer & Explanation Answer: D) 35:30:42

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

Q:

If $1 / \sqrt (1 + \tan^{2} A) = x$ , then value of x is

A) cosA	B) sinA
C) cosecA	D) secA

Answer & Explanation Answer: A) cosA

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If a + b = 9 and $a^{2} + b^{2} = 61$ , then ab is

A) 20	B) 10
C) 81	D) 142

Answer & Explanation Answer: B) 10

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

3 hrs after a goods train passed a station, another train travelling at a speed of 88 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

A) 76.8 km/hr	B) 64 km/hr
C) 96 km/hr	D) 51.2 km/hr

Answer & Explanation Answer: B) 64 km/hr

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Filed Under: Time and Distance
Exam Prep: Bank Exams

Q:

If cos 240° = x, then value of x is

A) -1/√2	B) -√3/2
C) 1/2	D) -1/2

Answer & Explanation Answer: D) -1/2

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

A shopkeeper, sold dried apricots at the rate Rs 1,310 a kg and bears a loss of 13%. Now if he decides to sell it at Rs 1,441 per kg, what will be the result?

A) 8.6 percent loss	B) 4.3 percent gain
C) 4.3 percent loss	D) 8.6 percent gain

Answer & Explanation Answer: C) 4.3 percent loss

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

Simplify $(b^{2} x 3 a^{2} z^{4}) \times (b^{2} x 4 a^{4} z 3) / (a^{3} b^{2} z 4)$

A) b2x7a3z3	B) b3x7a3 z3
C) b2x5a3 z3	D) b2x7a3z2

Answer & Explanation Answer: A) b2x7a3z3

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Filed Under: Simplification
Exam Prep: Bank Exams

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