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Q:

A shopkeeper sells two articles at Rs.1000 each, making a profit of 20% on the first article and a loss of 20% on the second article. Find the net profit or loss that he makes?

A) 2%	B) 4%
C) 3%	D) 2.5%

Answer & Explanation Answer: B) 4%

Explanation:

SP of first article = 1000

Profit = 20%

CP = $\frac{100}{100 + P} \times S P$ = 5000/6 = 2500/3

SP of second article = 1000

Loss = 20%

CP = $\frac{100}{100 - L} \times S P$ = 5000/4 = 1250

Total SP = 2000

Total CP = $\frac{2500}{3}$ + 1250 = 6250/3

CP is more than SP, he makes a loss.

Loss = CP-SP = (6250/3)- 2000 = 250/3

Loss Percent = $\frac{\frac{250}{3}}{\frac{6250}{3}} \times 100$ = 4%

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Filed Under: Profit and Loss
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Q:

How many rectangles can be drawn with 36 cm as the perimeter, given that the sides are positive integers in cm?

A) 8	B) 9
C) 10	D) 11

Answer & Explanation Answer: B) 9

Explanation:

Perimeter = 36

⇒ 2 ( l + w ) = 36

⇒ l + w = 18

Since length and width are positive integers in centimeters.

Therefore, possible dimensions are :

( 1, 17 )cm , ( 2, 16 ) cm , ( 3, 15 ) cm, (4 , 14) cm, ( 5,13) cm, ( 6, 12) cm , ( 7, 11) cm, ( 8, 10 ) cm, ( 9, 9) cm.

Hence, there are 9 rectangles.

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Filed Under: Arithmetical Reasoning
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Q:

What is the heaviest noble gas?

A) krypton	B) radon
C) helium	D) xenon

Answer & Explanation Answer: B) radon

Explanation:

The seven elements — helium, neon, argon, krypton, xenon, radon, and oganesson of Group 18 of the periodic table are Noble or Inert gases.

Radon is the heaviest and Helium is the lightest gases of the noble gases.

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Filed Under: Chemistry
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Q:

One card is drawn from a pack of 52 cards,each of the 52 cards being equally likely to be drawn.Find the probability that the ball drawn is an ace :

A) 1/13	B) 1/12
C) 1/14	D) 1/15

Answer & Explanation Answer: A) 1/13

Explanation:

Total number of events=52

Number of aces =4

So,required probability = 4/52 =1/13

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Filed Under: Probability

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Q:

Fill in the blank with the most appropriate option.

Ethanol is denatured to ___.

A) make it unsuitable for drinking	B) make it suitable for drinking
C) increase its stability	D) make it suitable as an antiseptic

Answer & Explanation Answer: A) make it unsuitable for drinking

Explanation:

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Filed Under: Chemistry
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Q:

What position did Babe Ruth play

A) Only 1st base	B) Both pitcher and out fielder
C) Only out fielder	D) Only pitcher

Answer & Explanation Answer: B) Both pitcher and out fielder

Explanation:

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Filed Under: General Awareness
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Q:

What is the main component of bones and teeth?

A) Calcium Phosphate	B) Calcium Carbonate
C) Calcium Nitrate	D) Calcium Sulphate

Answer & Explanation Answer: A) Calcium Phosphate

Explanation:

The main component of bones and teeth is Calcium Phosphate.

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Filed Under: General Science
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Q:

Four pairs of words are Given.Find the odd one out.

A) Chalk: Slate	B) Pencil: Notebook
C) Pen: Ink	D) Sketch pen: Drawing Book

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