Advertisements
Advertisements
Question
Evaluate:
8% of 900 – 12% of 750 + 20% of 165.
Advertisements
Solution
8% of 900 – 12% of 750 + 20% of 165
= `(8xx900)/100-(12xx750)/100+(20xx165)/100`
= 72 − 90 + 33
= 72 + 33 − 90
= 105 − 90
= 15
APPEARS IN
RELATED QUESTIONS
Find: 45 is what percent of 54?
During 2003, the production of a factory decreased by 25%. But, during 2004, it (production) increased by 40% of what it was at the beginning of2004. Calculate the resulting change (increase or decrease) in production during these two years.
Find the resulting quantity when ₹ 400 is decreased by 8%.
Find the resulting quantity when a speed of 600 km/h is increased by `12 1/2%`
A class has 30 boys and 20 girls. Find the percentage of the number of boys as compared with the number of girls.
The salary of a man is ₹ 7,200 per month, which is now increased by 8%. Find his new salary per month.
If the difference between 75% of a number and 60% of the same number is 82.5, then find 20% of that number
Ambika got 99 per cent marks in Mathematics, 76 per cent marks in Hindi, 61 per cent in English, 84 per cent in Science, and 95% in Social Science. If each subject carries 100 marks, then find the percentage of marks obtained by Ambika in the aggregate of all the subjects.
What is the correct formula for calculating percentage?
Convert the fraction `4/5` into a percentage.
