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Q:

If $x^{2} + x = 19$ , then what is the value of ${(x + 5)}^{2} + [1 / {(x + 5)}^{2}]$ ?

A) 77	B) 79
C) 81	D) 83

Answer & Explanation Answer: B) 79

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If x + [1/(4x)] = 5/2, then what is the value of $(64 x^{6} + 1) / 8 x^{3}$ ?

A) 110	B) 115
C) 125	D) 140

Answer & Explanation Answer: A) 110

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If 3x + [1/(5x)] = 7, then what is the value of $5 x / (15 x^{2} + 15 x + 1)$ ?

A) 1/5	B) 1/10
C) 2/5	D) 10

Answer & Explanation Answer: B) 1/10

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If $x^{3} + 2 x^{2} - 5 x + k$ is divisible by x + 1, then what is the value of k?

A) -6	B) -1
C) 0	D) 6

Answer & Explanation Answer: A) -6

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If I walk at 7/6 of my usual speed, then I reach my office 15 minutes early. What is the usual time taken (in minutes) by me to reach the office?

A) 60	B) 75
C) 90	D) 105

Answer & Explanation Answer: D) 105

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

A, B and C received an amount of Rs 8400 and distributed among themselves in the ratio of 6 : 8 : 7 respectively. If they save in the ratio of 3 : 2 : 4 respectively and B saves Rs 400, then what is the ratio of the expenditures of A, B and C respectively?

A) 6 : 8 : 7	B) 8 : 6 : 7
C) 9 : 14 : 10	D) 12 : 7 : 9

Answer & Explanation Answer: C) 9 : 14 : 10

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Filed Under: Partnership
Exam Prep: Bank Exams

Q:

The ratio of the volume of two cylinders is 7 : 3 and the ratio of their heights is 7 : 9. If the area of the base of the second cylinder is 154 sq. cm, then what will be the radius (in cm) of the first cylinder?

A) 6√2	B) 6√3
C) 7√2	D) 7√3

Answer & Explanation Answer: D) 7√3

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used?

A) Concave	B) Convex
C) Cylindrical	D) Plane

Answer & Explanation Answer: A) Concave

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Filed Under: Physics
Exam Prep: Bank Exams

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