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Q:

# The diference of two numbers is 20% of the larger number, if the smaller number is 20, then the larger number is :

 A) 15 B) 25 C) 35 D) 45

Answer:   B) 25

Explanation:

Let the large number be x.

Then x - 20 = 20x/100

=> x - x/5 = 20  => x = 25.

Q:

If the price of a commodity is decreased by 20% and its consumption is increased by 10%, what will be the increase or decrease in the expenditure on the commodity?

 A) increase 12% B) decrease 12% C) increase 16% D) decrease 16%

Answer & Explanation Answer: B) decrease 12%

Explanation:

Given the price of a commodity is decreased by  p = 20%

And its consumption is increased by q = 10%

Now, required increase or decrease in the expenditure on the commodity can be

p + q + pq/100 = -20 + 10 - 200/100 = -10 - 2 = -12%.

Hence, decrease in the expenditure = 12%

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2 137
Q:

What is 85 of 352?

 A) 21.5% B) 24.14% C) 23.68% D) 25.47%

Answer & Explanation Answer: B) 24.14%

Explanation:

Here 85 of 352 => 85 is what percent in 352

Let p% of 352 is 85

Percentage(%) is generally calculated in the total of 100.

=> p x 352/100  = 85

=> p = 8500/352  = 24.14%

Hence, 85 is 24.14% of 352.

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3 329
Q:

Ajay who is a King, at his eleventh hour, called his three queens and distributed his gold in the following way: He gave 50% of his wealth to his first wife, 50% of the rest to his second wife and again 50% of the rest to his third wife. If their combined share is worth1,30,900 kilograms of gold, find the quantity of gold King Ajay was having initially?

 A) 153145 kgs B) 147890 kgs C) 152400 kgs D) 149600 kgs

Answer & Explanation Answer: D) 149600 kgs

Explanation:

Let the total quantity of gold be p kgs.

According to the question,

50% of p + 25% of p + 12.5% of p = 130900

87.5% of p = 130900

p = 130900 x 100/87.5  = 149600 kgs.

Therefore, the initial gold quantity that king has = p = 149600 kgs.

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0 281
Q:

125% as a Fraction?

 A) 1/4 B) 3/4 C) 5/4 D) 7/4

Answer & Explanation Answer: C) 5/4

Explanation:

Literally any percentage means divide by 100.

So . That can be reduced to 5/4.

To convert to a decimal, you can do long division, dividing 5 into 4.

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2 360
Q:

A merchant commences with a certain capital and gains annually at the rate of 30 per cent. At the end of 2 years he has worth Rs 10,000. What was the original capital?

 A) Rs. 4987 B) Rs. 5148 C) Rs. 5917 D) Rs. 6254

Answer & Explanation Answer: C) Rs. 5917

Explanation:

Let the Original capital amount be Rs. P

Given after 2 years the amount is Rs. 10000

Rate of interest = 30%

According to the question,

Therefore, the capital amount P = Rs. 5917

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3 300
Q:

5% of 40,000 is

 A) 20000 B) 2000 C) 200 D) 20

Answer & Explanation Answer: B) 2000

Explanation:

5% of 40,000  =

Hence, 5% of 40,000 = 2,000.

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4 356
Q:

40% of 80?

 A) 36 B) 32 C) 42 D) 44

Answer & Explanation Answer: B) 32

Explanation:

Here 40% of 80 is given as

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5 532
Q:

In order to maximize his gain, a shopping mall owner decides to reduce the price of electronics goods by 20% and as a result of this, the sales of electronics increase by 40%. If, as a result of these changes, he is able to increase his weekly collection by Rs. 1,05,000, find by what value did the gross collection increase per day?

 A) Rs. 14400 B) Rs. 14600 C) Rs. 14800 D) Rs. 15000

Answer & Explanation Answer: D) Rs. 15000

Explanation:

It won't requires that much solving.

Here given the increase in weekly collection by Rs. 1,05,000

That is this increase denotes for all 7 days.

=> Gross Collection increase per day =

Hence, the gross collection increase per day = Rs. 15,000.

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5 647