23
Q:

Simplify the following equation.

1943 + 12 + 13 + 11 + 14

A) 43/19 B) 1
C) 38/19 D) None of these

Answer:   D) None of these



Explanation:

After solving we get,

 

62/931.

 

None of the options satisfy.

Subject: Simplification
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Q:

The pair of linear equations 3x + y = 1 and px + 2y = 5 has no finite solution if

A) p>=6 B) p = 6
C) 0 < p < 6 D) p = 0
 
Answer & Explanation Answer: B) p = 6

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1 448
Q:

The two roots of an quadratic equation are given as x = 1/2 and x = -1/3. The equation can be written as

A) (2x - 1)(3x - 1) = 0 B) (2x + 1)(3x - 1) = 0
C) (2x - 1)(3x + 1) = 0 D) (2x + 1)(3x + 1) = 0
 
Answer & Explanation Answer: C) (2x - 1)(3x + 1) = 0

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0 353
Q:

If 60/75 is equivalent to 4/x, then the value of x is

A) 5 B) 4
C) 15 D) 18
 
Answer & Explanation Answer: C) 15

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0 408
Q:

Solve the following:

 

11 + sinθ + 11 - sinθ = ?

 

A) 2cos2θ B) 1
C) 0 D) 2sec2θ
 
Answer & Explanation Answer: D) 2sec2θ

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0 3680
Q:

1.004 - 0.4 is equal to

A) 0.604 B) 0.006
C) 0.640 D) 1
 
Answer & Explanation Answer: A) 0.604

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0 390
Q:

Solve the following.

 

-4 - (-7 - 12 / 4) = ?

A) -2 B) 6
C) 0.75 D) -14
 
Answer & Explanation Answer: B) 6

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0 3112
Q:

ΔABC is right angled at B. If cotA = 8/15, then what is the value of cosC ?

 

A) 15/8   B) 8/17  
C) 17/15   D) 15/17
 
Answer & Explanation Answer: D) 15/17

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0 5623
Q:

ΔPQR is right angled at Q. If m∠P = 60 deg, then find the value of (cotR + √3/2).

 

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

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