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Q:

The line parallel to the BC of the triangle ABC divides the other two sides at the point D and E in such a way that AB=3AD. Calculate the ratio of DE and BC.

A) 1:6	B) 1:4
C) 1:3	D) 3:1

Answer & Explanation Answer: C) 1:3

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Filed Under: Volume and Surface Area
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Q:

A triangle is circumscribed on the circle of centre O in such a way that sides AB = 12 cm, BQ = 7 cm and CQ = 5 cm. Calculate the lengtth (in cm) of side AC.

A) 8	B) 10
C) 12	D) 14

Answer & Explanation Answer: B) 10

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Filed Under: Volume and Surface Area
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Q:

Find the value of $x^{3} - y^{3}$ , if x - y = 4 and xy = 12.

A) 198	B) 208
C) 218	D) 228

Answer & Explanation Answer: B) 208

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Determine the value of a/b + b/a when a + b = 8 and ab = 4.

A) 4	B) 8
C) 12	D) 14

Answer & Explanation Answer: D) 14

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Filed Under: Simplification
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Q:

Find the unit place digit in the expression given below:

1! + 2! + 3! + 4! + ..... + 20!

A) 5	B) 0
C) 3	D) 9

Answer & Explanation Answer: C) 3

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

The addition of a rational number and its reciprocal is 61/30. Calculate the number.

A) 5/6, 6/5	B) 5/6, 7/5
C) 7/6, 6/5	D) 7/6, 7/5

Answer & Explanation Answer: A) 5/6, 6/5

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

What produces the striations of a skeletal muscle cell?

Answer

The striations are a result of the A bands of sarcomeres appearing as relatively wide, dark stripes under the microscope, which alternate with narrower, lighter colored stripes formed by the I bands.

The striations of skeletal muscle are created by the organization of actin and myosin filaments resulting in the banding pattern of myofibrils.

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Subject: Biology Exam Prep: Bank Exams