9
Q:

A number is increased by 20% and then decreased by 20%, the final value of the number is ?

 A) increase by 2% B) decrease by 3% C) decrease by 4% D) increase by 5%

Explanation:

Here, x = 20 and y = - 20
Therefore, the net % change in value
= %
%  or  - 4%

Since the sign is negative, there is a decrease in value by 4%.

Q:

What is 85 of 352?

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

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.

3 235
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

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.

0 204
Q:

125% as a Fraction?

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

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.

2 283
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

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

3 246
Q:

5% of 40,000 is

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

Explanation:

5% of 40,000  =

Hence, 5% of 40,000 = 2,000.

4 313
Q:

40% of 80?

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

Explanation:

Here 40% of 80 is given as

5 478
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

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.

5 589
Q:

Fresh grapes contain 60% water, while dry grapes contain 40% water. How many kgs of dry grapes can be obtained by 60 kg of fresh grapes?

 A) 25 kgs B) 30 kgs C) 35 kgs D) 40 kgs

Explanation:

The fruit content in both the fresh fruit and dry fruit is the same.

Let 'p' kgs of dry grapes are obtained from the 60 kgs of fresh grapes

=>

Therefore, 40 kgs of Dry grapes are obtained from 60 kgs of Fresh grapes.