Advertisements
Advertisements
प्रश्न
Evaluate : 55% of 160 + 24% of 50 – 36% of 150
उत्तर
55% of 160 + 24% of 50 – 36% of 150
= `(55 xx 160)/(100) + (24 xx 50)/(100) - (36 xx 150)/(100)`
= 11 x 8 + 12 - 18 x 3
= 88 + 12 - 54 = 46
APPEARS IN
संबंधित प्रश्न
Evaluate : 9.3% of 500 – 4.8% of 250 – 2.5% of 240
In an examination, Kavita scored 120 out of 150 in Maths, 136 out of 200 in English and 108 out of 150 in Science. Find her percentage score in each subject and also on the whole (aggregate).
Express the following percentage as a fraction and as a decimal number:
25 %
What percent is: 25 cm of 4 metres
Express as a percent:
0.02
Air is an important inexhaustible natural resource. It is essential for the survival of human beings, microbes, plants, and animals. The following table shows the percentage of various gases in the air.
| Contents of air | Percentage (by volume) |
| Nitrogen | 78 |
| Oxygen | 21 |
| Other (carbon dioxide, inert gases, water vapours, etc.) | 1 |
If a certain quantity (by volume) of air contains 4,200 litres of oxygen, find the total quantity of air taken and the amount of nitrogen in it.
If 48% of 48 = 64% of x, then x =
A picture of chess board is given. Find the percentage of the white coloured squares
Madhu’s room measures 6 m × 3 m. Her carpet covers 8 m2. What per cent of floor is covered by the carpet?
Find out 8% of 25 kg.
