Percentage 8

1. How many litres of pure acid are there in 8 litres of a 20% solution?
1. 2 litres
2. 1.4 litres
3. 1 litres
4. 1.6 litres

Answer & Explanation

Answer:- 4

Explanation :-

pure acid = 20% of 8 lts
=> ((20/100)*8) lts
=> 1.6 litres.

 

2. The price of a car is Rs. 3,25,000. It was insured to 85% of its price. The car was damaged completely in an accident and the insurance company paid 90% of the insurance. What was the difference between the price of the car and the amount received ?
1. Rs. 76,375
2. Rs. 34,000
3. Rs. 82,150
4. Rs. 70,000

Answer & Explanation

Answer:- 1

Explanation :-

Price of car =3,25,000
Insurance of car for Rs.=85% of 32500
insurance company paid=90% of Insurance=90% of 85% of 325000
=>(90*100)(85*100)*325000
=>248625
Difference between the price of the car and the amount received=325000-248625=Rs. 76375

 

3. If number x is 10% less than another number y and y is 10% more than 125, then find out the value of x.
1. 123
2. 122
3. 122.25
4. 123.75

Answer & Explanation

Answer:- 4

Explanation :-

y=125+10 % of 125
y=137.50
x=90% of y
x = y-10% of y
x=137.50-(10/100)*137.50)
x = 137.50-13.75
x= 123.75

 

4. A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transaction ?
1. 9%
2. 10%
3. 7%
4. 6%

Answer & Explanation

Answer:- 1

Explanation :-

Actual price = Rs. (25 + 2.50) = Rs. 27.50.
Saving = 2.50
%age of  Saving=(2.50/27.50)*100
=>9.09
%age of  Saving= 9% approx

 

5. A pipe X is 30 meters and 45% longer than another pipe Y. find the length of the pipe Y.
1. 20.12
2. 20.68
3. 20
4. 20.5

Answer & Explanation

Answer:- 2

Explanation :-

Y+ 45% of Y=X
Y + 45% of Y=30
Y+(45/100)Y=30
(145/100)Y=30
Y=(30*100)/145
Y=20.68

 

Leave a Comment

Your email address will not be published.