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Q:

If 2cosec2A = x, then the value of x is

A) 1/(1 - cosecA) - 1/(1 + cosecA) B) 1/(1 + sinA) + 1/(1 - tanA)
C) 1/(1 + cosA) + 1/(1 - cosA) D) 1/(1 - tanA) - 1/(1 + sinA)
 
Answer & Explanation Answer: C) 1/(1 + cosA) + 1/(1 - cosA)

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If (cotAcotB - 1) / (cotB + cotA) = x, then the value of x is

A) cot(A - B) B) tan(A + B)
C) cot(A + B) D) tan(A - B)
 
Answer & Explanation Answer: C) cot(A + B)

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Filed Under: Simplification
Exam Prep: Bank Exams

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:

The curved surface area of a hemisphere is 27.72 sq cm and volume is 19.404 cubic cm, find its radius?

A) 4.2 cm B) 2.1 cm
C) 0.7 cm D) 1.05 cm
 
Answer & Explanation Answer: B) 2.1 cm

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Filed Under: Volume and Surface Area
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:

Find the sum of the measures all the interior angles of a polygon having 12 sides.

A) 1800° B) 2520°
C) 2880° D) 3240°
 
Answer & Explanation Answer: A) 1800°

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

Q:

10% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

A) 15.225 percent B) 14.5 percent
C) 15 percent D) 5.5 percent
 
Answer & Explanation Answer: B) 14.5 percent

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Filed Under: Percentage
Exam Prep: Bank Exams