मराठी

25%of50%of100%25×50 is equal to ______.

Advertisements
Advertisements

प्रश्न

`(25%  "of"  50%  "of"  100%)/(25 xx 50)` is equal to ______.

पर्याय

  • 1.1%

  • 0.1%

  • 0.01%

  • 1%

MCQ
रिकाम्या जागा भरा
Advertisements

उत्तर

`(25%  "of"  50%  "of"  100%)/(25 xx 50)` is equal to 0.01%.

Explanation:

We have, `(25%  "of"  50%  "of"  100%)/(25 xx 50)`

= `25/100 xx 50/100 xx 100/100 xx 1/(25 xx 50)`

= `125000/(1250 xx 100 xx 100 xx 100)`

= `1/10000`

= 0.0001

In percentage, 0.0001 × 100% = 0.01%

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Comparing Quantities - Exercise [पृष्ठ १९८]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics Exemplar Class 7
पाठ 7 Comparing Quantities
Exercise | Q 20. | पृष्ठ १९८

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Find: 16.5% of 5000 metre


In an examination, a candidate secured 125 marks and failed by 15 marks. If the pass percentage was 35%; find the maximum marks.


In a combined test in Maths and Chemistry; 84% candidates passed in Maths; 76% in Chemistry and 8% failed in both. Find: if 340 candidates passed in the test; then how many appeared?


A bag contains 8 red balls, 11 blue balls and 6 green balls. Find the percentage of blue balls in the bag.


Find the resulting quantity when 25 km is increased by 5%.


Evaluate:

70% of 70 + 90% of 90 – 120% of 120.


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.


0.5252 is _______ %


An average urban Indian uses about 150 litres of water every day.

Activity Litres per person per day
Drinking 3
Cooking 4
Bathing 20
Sanitation 40
Washing clothes 40
Washing utensils 20
Gardening 23
Total 150

What per cent of water is used for bathing and sanitation together per day?


Imagine that a 10 × 10 grid has value 300 and that this value is divided evenly among the small squares. In other words, each small square is worth 3. Use a new grid for each part of this problem, and label each grid “Value: 300.”

  1. Shade 25% of the grid. What is 25% of 300? Compare the two answers.
  2. What is the value of 25 squares?
  3. Shade 17% of the grid. What is 17% of 300? Compare the two answers
  4. What is the value of `1/10` of the grid?
  5. Express `1/6` as a percent.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×