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Q:

The amount of BaSO4 formed on mixing an aqueous solution of 2.08 gm of BaCl2 and excess of dilute H2SO4 is ___.

(atomic weights : Ba = 137, Cl = 35.5, S = 32, O = 16)

A) 2.33 g B) 2.08 g
C) 23.3 g D) 1.04 g
 
Answer & Explanation Answer: A) 2.33 g

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Filed Under: Chemistry
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Q:

Use each of the following figures only once and from three groups. The three groups thus formed are :

 

A) (1,5,7), (2,3,9), (4,6,8) B) (1,5,7), (2,6,9), (4,3,8)
C) (1,5,7), (2,6,8), (4,3,9) D) (1,5,9), (2,6,7), (4,3,8)
 
Answer & Explanation Answer: B) (1,5,7), (2,6,9), (4,3,8)

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Filed Under: Image Analysis
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Q:

In ΔPQR measure of angle Q is 90°. If cosP = 5/13, and PQ = 2.5cm, then what is the length (in cm) of side PR?

A) 6 B) 6.5
C) 4 D) 5.6
 
Answer & Explanation Answer: B) 6.5

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Filed Under: Simplification
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Q:

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

 

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

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Filed Under: Image Analysis
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Q:

Find the range of the data : 11,13, 9, 17, 13, 19, 10, 11

A) 9 B) 10
C) 11 D) 13
 
Answer & Explanation Answer: B) 10

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Filed Under: Problems on Numbers
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Q:

If a person has sold an article for Rs. 1300 and made a profit of 30%, find the cost price of the article.

A) Rs. 1000 B) Rs. 1200
C) Rs. 1250 D) Rs. 1100
 
Answer & Explanation Answer: A) Rs. 1000

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Filed Under: Profit and Loss
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Q:

What is the area of the square, if the length of its diagonal is 13√2 units?

A) 104 sq.units B) 169 sq.units
C) 338 sq.units D) 676 sq.units
 
Answer & Explanation Answer: B) 169 sq.units

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Q:

If 1 = 2, 3 = 6, 4 = 8, and + = -, what would be the value of 41 + 34 + 13 = ?

A) -88 B) 88
C) 12 D) -12
 
Answer & Explanation Answer: D) -12

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Filed Under: Simplification
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