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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 6

Express the Following Statement in the Percentage Form: 21 Eggs Out of 30 Are Good - Mathematics

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प्रश्न

Express the following statement in the percentage form:

21 eggs out of 30 are good

बेरीज
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उत्तर

21 eggs out of 30 are good

`21/30xx100` = 7 × 10 = 70%

∴ 70% one good

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 16: Percent (Percentage) - Exercise 16 (A)

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सेलिना Mathematics [English] Class 6
पाठ 16 Percent (Percentage)
Exercise 16 (A) | Q 1.2

संबंधित प्रश्‍न

Express the following as decimal fractions:
\[\frac{1}{8} %\]


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


Express the following percentage as a fraction and as a decimal number: 

25 %


Find the value of the following:

15% of 2 minutes


A picture of chess board is given. Find the percentage of grey coloured squares


The food labels given below give information about 2 types of soup: cream of tomato and sweet corn. Use these labels to answer the given questions. (All the servings are based on a 2000 calorie diet.)

Sweet Corn Cream of Tomato
Nutrition Facts Nutrition Facts
Serving Size 1 cup (240ml) Serving Size 1 cup (240ml)
About 2 serving per Container About 2 serving per Container
Amount Per Serving   Amount Per Serving  
Calories 90 Calories from Fat 9 Calories 100 Calories from Fat 20
  % Daily Value*   % Daily Value*
Total Fat 2g 2% Total Fat 2g 3%
Saturated Fat-0g 0% Saturated Fat-1.5g 6%
Cholesterol 0mg 0% Cholesterol 10mg 3%
Sodium 540mg 22% Sodium 690mg 29%
Total Carbohydrate 17g 6% Total Carbohydrate 17g 6%
Dietary Fibre 3 gram 14% Dietary Fibre 4 gram 18%
Sugar 5g   Sugar 11g  
Protein 3g   Protein 2g  
Vitamin A 30% Vitamin C 10% Vitamin A 20% Vitamin C 20%
Calcium 2% Iron 6% Calcium 0% Iron 8%
*Per cent Daily Values are
based on a 2,000 calorie diet.
*Per cent Daily Values are
based on a 2,000 calorie diet.

Which can be measured more accurately : the total amount of fat in cream of tomato soup or the total amount of fat in sweet corn soup? Explain.


Below is the Report Card of Vidit Atrey. Vidit’s teacher left the last column blank. Vidit is not able to make out, in which subject he performed better and in which he needs improvement. Complete the table to help Vidit know his comparative performance.

Assessment Report for 2009-2010
  Class : 9B Name : Vidit Atrey Date : 31 March 2010
  Subject Internal 
assessment
Examination Total Final%
1. English Literature 20/25 82/100 102/125  
2. English Language 22/25 91/100 113/125  
3. Hindi Literature 18/25 67/75 85/100  
4. Hindi Language 16/25 68/75 84/100  
5. Mathematics 42/50 88/100 130/150  
6. Sanskrit 14/20 75/100 99/120  
7. Physics 45/50 90/100 135/150  
8. Chemistry 41/50 82/100 123/150  
9. Biology 43/50 87/100 130/150  
10. History and Civics 19/25 68/75 87/100  
11. Geography 17/20 71.5/80 88.5/100  

A student used the proportion `n/100 = 5/32` to find 5% of 32. What did the student do wrong?


Find the value of x if 45% of marks x is 405.


When you design your healthy diet, you want to make sure that you meet the dietary requirements to help you grow into a healthy adult. As you plan your menu, follow the following guidelines

  1. Calculate your ideal weight as per your height from the table given at the end of this question.
  2. An active child should eat around 55.11 calories for each kilogram desired weight.
  3. 55 per cent of calories should come from carbohydrates. There are 4 calories in each gram of carbohydrates.
  4. 15 per cent of your calories should come from proteins. There are 4 calories in each gram of proteins.
  5. 30 per cent of your calories may come from fats. There are 9 calories in each gram of fat.

Following is an example to design your own healthy diet.

Example

  1. Ideal weight = 40 kg.
  2. The number of calories needed = 40 × 55.11 = 2204.4
  3. Calories that should come from carbohydrates = 2204.4 × 0.55 = 1212.42 calories.
    Therefore, required quantity of carbohydrates = `1212.42/4` = 303.105 g = 300 g. (approx)
  4. Calories that should come from proteins = 2204.4 × 0.15 = 330.66 calories.
    Therefore, required quantity of protein = `330.66/4` g = 82.66 g.
  5. Calories that may come from fat = 2204.4 × 0.3 = 661.3 calories.
    Therefore, required quantity of fat = `661.3/9` g = 73.47 g.

Answer the Given Questions

  1. Your ideal desired weight is ______ kg.
  2. The quantity of calories you need to eat is ______.
  3. The quantity of protein needed is ______ g.
  4. The quantity of fat required is ______ g.
  5. The quantity of carbohydrates required is ______ g.
Ideal Height and Weight Proportion
Men Women
Height Weight Height Weight
Feet cm Kilograms Feet cm Kilograms
5’ 152 48 4’7” 140 34
5’1” 155 51 4’8” 142 36
5’2” 157 54 4’9” 145 39
5’3” 160 56 4’1” 147 41
5’4” 163 59 4’11” 150 43
5’5” 165 62 5’ 152 45
5’6” 168 65 5’1” 155 48
5’7” 170 67 5’2” 157 50
5’8” 173 70 5’3” 160 52
5’9” 175 73 5’4” 163 55
5’10” 178 75 5’5” 165 57
5’11” 180 78 5’6” 168 59
6’ 183 81 5’7” 170 61
6’1” 185 84 5’8” 173 64
6’2” 188 86 5’9” 175 66
6’3” 191 89 5’10” 178 68
6’4” 193 92 5’11” 180 70

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