15
Q:

Simplify 2392-21+8-72=?2

 

A) 4 B) 5
C) 6 D) 9

Answer:   C) 6



Explanation:

?2 = 2×78-21+8+49-148= 57 - 21=36=> ? = ±6

Subject: Simplification
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Q:

4 + (16) [-10 x 25 - 13 - 3 ÷ -5] = ?

 

A) 8 B) 9
C) 6 D) 7
 
Answer & Explanation Answer: D) 7

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0 3115
Q:

35+37=?

 

A) 935 B) 612
C) 1135 D) 635
 
Answer & Explanation Answer: C) 1135

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1 3733
Q:

If a2 + 1a2 = 3, then a3 + 1a3 = ?

 

A) 3√5 B) 2√5
C) 2√3 D) 3√3
 
Answer & Explanation Answer: B) 2√5

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0 3652
Q:

The cost of one dozen bananas is Rs.5. The cost of one dozen oranges is Rs.75. What will the cost of one and a quarter dozen bananas and three-fourth dozen oranges?

A) Rs. 109.25 B) Rs. 87.25
C) Rs. 71.75 D) Rs. 62.50
 
Answer & Explanation Answer: D) Rs. 62.50

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0 226
Q:

Find the factors of (x2  +  x -  42)

 

A) (x + 14)(x - 3) B) (x + 6)(x - 7)
C) (x - 6)(x + 7) D) (x - 14)(x + 3)
 
Answer & Explanation Answer: C) (x - 6)(x + 7)

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0 1704
Q:

What is the value of (2 + tan600) ?

 

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

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0 3555
Q:

What is the square root of 9409?

A) 83 B) 87
C) 89 D) 97
 
Answer & Explanation Answer: A) 83

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1 316
Q:

If 3=1.732, then what is the value of (3 - 103 + 27) ?

 

A) 1.154   B)  1.577  
C)  1.464   D) 2.358
 
Answer & Explanation Answer: A) 1.154  

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0 2686