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In a computer lab, there are 3 computers for every 6 students. How many computers will be needed for 24 students?
Out of 32 students, 8 are absent. What percent of the students are present?
No. of students that are present
=328=24
Percentage of absent students =24/32*100=75%
There are 25 radios, 16 of them are out of order. What percent of radios are out of order?
No. of radios out of order=16
Percentage of radios out of order=16/25*100=64%
A shop has 500 parts, out of which 5 are defective. What percent are not defective?
%defective = 5/500 x 100 = 1%
so %not defective = 100  1 =99%
There are 120 voters, 90 of them voted yes. What percent voted yes?
A survey of 40 children showed that 25% liked playing football. How many children not liked playing football?
Total number of children=40
25% like football
Children who don’t like playing football=10025=75%
So no. of children who don’t like football=75% of 40
= 75/100 * 40 = 30 children
8% children of a class of 25 like getting wet in the rain. How many children do not like getting wet in the rain.
Number of children that like getting wet in rain = 8% of 25
= 8/100 × 25
= 8/4
= 2 children.
Number of children that don't like getting wet in rain
= 25  2
= 23 children
Therefore, there are 23 such students that don't like getting wet in rain.
Rahul bought a sweater and saved Rs 20 when a discount of 25% was given. What was the price of the sweater before the discount?
discount=25%
25% of x =20
25/100*x=20
25x=2000
x=2000/25=Rs. 80
Out of 15,000 voters in a constituency, 60% voted. Find the number of voters who did not vote.
Meeta saves Rs 400 from her salary. If this is 10% of her salary. What is her salary?
400 is the 10% of the salary
10% of x = 400
10/100*x = 400
x=400*10 = Rs. 4000
A local cricket team played 20 matches in one season. It won 25% of them. How many matches did they lose?
Percentage of lost matches=75%
No. of matches lost=75% of 20
=75/100*20
=15 matches
A school team won 6 games this year against 4 games won last year. What is the percent increase?
The number of illiterate persons in a country decreased from 150 lakhs to 100 lakhs in 10 years. What is the percentage of decrease?
Percentage of decrease = change in illiterate people/150*100 =(150100)*100/150=50*100/150=100/3%
Cost of an item is Rs 50. It was sold with a profit of 12%. Find the selling price.
How much will an item cost if 10% discount is given on the marked price Rs 100?
A football team won 10 matches out of the total number of matches they played. If their win percentage was 40, then how many matches did they play in all?
If Chameli had Rs 600 left after spending 75% of her money, how much did she have in the beginning?
After spending 75% of money , chameli has Rs. 600.
So 600=25% of the money
25% of x=600
25/100*x=600
x=600*4=Rs. 2400
The price of a scooter was Rs 34,000 last year. It has increased by 20% this year. What is the price now?
Price of the scooter last year=34000
Increase=20%
Amount of increase=20% of 34000=20/100*34000=6800
New price=34000+6800=Rs. 40800
The price of a scooter was Rs 34,000 last year. It has decreased by 5% this year. What is the price now?
Mohit bought a CD for Rs. 750 and sold it Rs. 875. Find his gain or loss percent.
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