0
Q:

What value should come in place of the question mark (?) in the following question?

52x14+145018=1998÷?

A) 18.25 B) 19.98
C) 34.58 D) 65.25

Answer:   B) 19.98



Explanation:
Q:

If tan(A/2) = x, then the value of x is

A) (1 - cosA)/sinA B) (1 + cosA)/sinA
C) √[(1 - cosA)/sinA] D) √[(1 + cosA)/sinA]
 
Answer & Explanation Answer: A) (1 - cosA)/sinA

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0 906
Q:

If sec -7π/4 = x, then the value of x is

A) √2 B) -√2
C) -1/√3 D) -1
 
Answer & Explanation Answer: A) √2

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0 989
Q:

If in a two digit number, the digit at unit place is y and the digit at tens place is 5, then the number is

A) 50y + y B) 5y + 5
C) 50 + y D) 50y + 5
 
Answer & Explanation Answer: C) 50 + y

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0 797
Q:

What is the value of sin ­7π/4c?

A) ­1/√2 B) 2/√3
C) 1/√2 D) ­2/√3
 
Answer & Explanation Answer: C) 1/√2

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1 994
Q:

√(cosec2 -­ 1)/cosecA is equal to?

A) cosA B) sinA
C) cosecA D) secA
 
Answer & Explanation Answer: A) cosA

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0 950
Q:

Find measure of central angle of the sector whose perimeter is 25 cm and radius of the circle is 7 cm?

A) 45° B) 22.5°
C) 135° D) 90°
 
Answer & Explanation Answer: D) 90°

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0 1124
Q:

­ What is the equation of the line if its slope is 3/4 and y­intercept is 5?

A) 3x + 4y = ­-20 B) 3x + 4y = 20
C) 3x ­- 4y = ­-20 D) 3x ­- 4y = 20
 
Answer & Explanation Answer: C) 3x ­- 4y = ­-20

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0 832
Q:

If r sinθ=3 and r cosθ=1, then the values of r and θ are: (0°θ90°)

A) r=1, θ=30° B) r=1⁄2, θ=30°
C) r=3 , θ=30° D) r=2, θ=60°
 
Answer & Explanation Answer: D) r=2, θ=60°

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0 761