1
Q:

72 ÷ 52 × 3272 ÷ 52 of 32 ÷ 5.25

A) 3/5 B) 3/6
C) 3/7 D) 3/8

Answer:   C) 3/7



Explanation:

75x321415 ÷ 52510094 ÷ 5251009002100= 37

Q:

If x = 12 and y = 4, then the value of (x + y)xy is

 

A) 48 B) 1792
C) 4096 D) 570
 
Answer & Explanation Answer: C) 4096

Explanation:
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0 26
Q:

If x = 283, y = 273 then the value of  x + y - 1x2 + xy + y2 is

 

A) 8 B) 7
C) 6 D) 5
 
Answer & Explanation Answer: C) 6

Explanation:
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0 46
Q:

If tanα = 2, then the value of sinαsin3α + cos3α is

 

A) 2/9 B) √5/9
C) 10/9 D) 5√5/9
 
Answer & Explanation Answer: C) 10/9

Explanation:
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0 16
Q:

If 2 tan2θ = 6 and 0° < θ < 45°, then the value of  sinθ + 3cosθ - 2tan2θ is

 

A) 2/3 B) 4/3
C) 2 D) 8/3
 
Answer & Explanation Answer: B) 4/3

Explanation:
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0 27
Q:

If x2 + y2 + z2 = 14 and xy+ yz + zx = 11, then the value of (x + y + z)2 is

 

A) 16 B) 25
C) 36 D) 49
 
Answer & Explanation Answer: C) 36

Explanation:
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0 22
Q:

1a - 1b = 0, then the value of 1a + 1b is

 

A) 1ab B) ab
C) 2ab D) 12ab
 
Answer & Explanation Answer: C) 2ab

Explanation:
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0 14
Q:

Simplify the following expression:

(32×16)+(53×72)-(134×43)=?

 

A) 1221 B) 2112
C) 3621 D) 4112
 
Answer & Explanation Answer: B) 2112

Explanation:
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4 281
Q:

(311×336)-(94×123)+(511×2210)

 

A) -92 B) -132
C) 132 D) 92
 
Answer & Explanation Answer: B) -132

Explanation:
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0 409