6
Q:

Water boils at 212°F or 100°C and melts at 32°F or 0°C .  If the temparature of the particular day  is 35°C , it is equal  to :

A) 85°F B) 95°F
C) 96°F D) 97°F

Answer:   B) 95°F



Explanation:

Let F and C denotes the temparature in Fahrenheit anid Celcsius respectively.

Then, (F - 32) /(212 - 32) = (C - 0)/(100 - 0),  if c = 35, then F = 95.

Q:

If (cos2 θ -1)(1+tan2 θ)+2 tan2 θ =1, 0°<θ<90° then θ is:

 

 

 

A) 30° B) 90°
C) 60° D) 45°
 
Answer & Explanation Answer: D) 45°

Explanation:
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6 1112
Q:

The value of sin 30°cos 60°sin 60°cos 30°- tan 45° is

 

A) 5 B) 0
C) 2-22 D) 2
 
Answer & Explanation Answer: B) 0

Explanation:
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3 2803
Q:

Solve the following

113 × 87 =?

 

A) 9831 B) 10026
C) 10169 D) 10000
 
Answer & Explanation Answer: A) 9831

Explanation:
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1 2889
Q:

In ΔABC measure of angle B is 90 deg. If tanA = 12/5, and AB = 1cm, then what is the length (in cm) of side BC?

 

A) 2.6 B) 2.4
C) 1.5 D) 2
 
Answer & Explanation Answer: B) 2.4

Explanation:
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2 636
Q:

ΔXYZ is right angled at Y. If m∠X = 60 deg, then find the value of (cotZ + 2)

 

A) (2√2+1)/2   B) √3+2  
C) (√6+1)/√3   D) (2√2+√3)/2
 
Answer & Explanation Answer: B) √3+2  

Explanation:
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0 2708
Q:

If a3 = 93 + 1263+ 2173,then which of the following is correct?

 

A) a=2197 B) a>2197
C) a<2197 D) a<1728
 
Answer & Explanation Answer: B) a>2197

Explanation:
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1 2402
Q:

Find the number of solutions a pair of linear equation (4x-9y+13=0 and 2x+3y-13=0) have.

 

A) 1 B) 2
C) 10 D) infinite
 
Answer & Explanation Answer: A) 1

Explanation:
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2 2245
Q:

Find the area (in sq units) of the triangle formed by lines x - 3y = 0, x – y = 4 and x + y = 4.

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:
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1 3182