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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Find the Mean Proportional Between 16 and 4

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प्रश्न

Find the mean proportional between 16 and 4

बेरीज
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उत्तर

Mean proportional between 16 and 4

`sqrt(16 xx 4) = sqrt64 = 8`

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पाठ 6: Ratio and Proportion (Including Sharing in a Ratio) - Exercise 6 (B)

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सेलिना Concise Mathematics [English] Class 7 ICSE
पाठ 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (B) | Q 4.1

संबंधित प्रश्‍न

Find the sub-duplicate ratio of the following :

`(9"a"^2)/5 : (25"a"^2)/3`


Express the following ratios in its simplest form :
`2 1/3 : 3 1/2: 1 1/4`


The monthly salary of a person is Rs. 12,000 and his monthly expenditure is Rs 8,500. Find the ratio of his:
(i) salary to expenditure
(ii) expenditure to savings
(ii) savings to salary


Reduce the following ratio to their lowest term:

4 weeks : 49 days


The ratio of the pocket money saved by Lokesh and his sister is 5 : 6. If the sister saves Rs 30 more, how much more the brother should save in order to keep the ratio of their savings unchanged?


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.

Calculate ratio of calories from fat in sweet corn soup to the calories from fat in cream of tomato soup.


The ratio 5 : 4 is different from the ratio 4 : 5.


Samira sells newspapers at Janpath crossing daily. On a particular day, she had 312 newspapers out of which 216 are in English and remaining in Hindi. Find the ratio of the number of English newspapers to the number of Hindi newspapers.


Consider the statement: Ratio of breadth and length of a hall is 2 : 5. Complete the following table that shows some possible breadths and lengths of the hall. 

Breadth of the hall (in metres)

10

`square`

40

Length of the hall (in metres)

25

50

`square`


Express `33 1/3%` as a ratio in the lowest term.


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