Q:

If sec (3x – 20°) = cosec (3y + 20°), then what is the value of tan (x + y)?

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

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0 198
Q:

ABCD is an isosceles trapezium such that AD||BC, AB = 5 cm, AD = 8 cm and BC = 14 cm. What is the area (in cm2) of trapezium?

A) 36 B) 44
C) 88 D) 144
 
Answer & Explanation Answer: B) 44

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0 199
Q:

If the areas of two similar triangle are in the ratio 5 : 7, then what is the ratio of the corresponding sides of these two triangles?

A) 5 : 7 B) 25 : 49
C) √5 : √7 D) 125 : 343
 
Answer & Explanation Answer: C) √5 : √7

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0 193
Q:

The internal bisectors of ∠Q and ∠R of triangle PQR meet at O. If ∠P = 70°, then what is the measure of ∠QOR (in degrees)?

A) 110 B) 115
C) 125 D) 135
 
Answer & Explanation Answer: C) 125

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0 136
Q:

If 5x = 30-y = 6z, then what is the value of (xy + yz + zx)/xyz?

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: A) 0

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0 268
Q:

If a + b + c = 9 and ab + bc + ca = 18, then what is the value of a3 + b3 + c3  3abc?

A) 189 B) 243
C) 361 D) 486
 
Answer & Explanation Answer: B) 243

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0 180
Q:

If α and β are roots of the equation 3x2  13x + 14 = 0, then what is the value of (α/β) + (β/α)?

A) 65/28 B) 53/14
C) 9 D) 85/42
 
Answer & Explanation Answer: D) 85/42

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0 178
Q:

For an amount, simple interest at the rate of interest of 12% per annum for 6 years is Rs 25920. What will be the compound interest (in Rs) on same amount at the rate of interest of 8% per annum compounding annually for 2 years?

A) 4326.3 B) 5563.4
C) 5888.6 D) 5990.4
 
Answer & Explanation Answer: D) 5990.4

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0 311