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A stationery box has 15 pencils and 21 p...

A stationery box has 15 pencils and 21 pens. Express in simplest form:
The ratio of number of pens to the total number of stationery items in the box

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The correct Answer is:
`7:12`
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A stationery box has 15 pencils and 21 pens. Express in simplest form: The ratio of the number of pencils to the number of pens

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Express the ratio in simplest form : 1/15 : 1/25

Reena has pens and pencils which together are 40 in number. If she has 5 more pencils and 5 less pens, then number of pencils would become 4 times the number of pens. Find the original number of pens and pencils.

Preeti is arranging pencils in a box. If in one layer, she puts in three pencils, then find the rule for the number of pencils in the box if the number of layers in the box is s.

Joe distributed some pens among the other students of his class. The number of students among whom he distrubted pens was 3 more than the number of pens each got . If the total number of pens distributed is less than 21,which of the following is the correct inequality for the total number of students s, in the class ?

Express the ratio in simplest form : 1/25:1/15.

Fifteen identical balls have to be put in five different boxes. Each box can contain any number of balls. The total number of ways of putting the balls into the boxes so that each box contains at least two balls is equal to a. .^9C_5 b. .^10 C_5 c. .^6C_5 d. .^10 C_6

The number of boys and girls in a school are 480 and 384 respectively. Express the ratio of the number of boys to that of the girls in the simplest form.

ICSE-RATIO AND PROPORTION-Try This!
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  2. A stationery box has 15 pencils and 21 pens. Express in simplest form:...

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  3. A stationery box has 15 pencils and 21 pens. Express in simplest form:...

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  4. Express the given ratios in simplest form: a. 49:77 b. 55:99

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  5. Find the ratio of : 300 mm to 8 cm

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  6. Find the ratio of : 35 min to 1 (1)/(2) h

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  7. Find the ratio of : 1 kg 200 g to 3 kg 250 g

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  8. Find the ratio of : 25 mm to 15 cm

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  9. Find the ratio of : 40 min to 2(3)/(4) hours

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  10. Compare the ratios 2:5 and 3:7.

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  11. Write four equivalent ratios for a. 3:5 b. 5:9 c. 4:7

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  12. Find the value of a given that 3, a, 5, 20 are in proportion.

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  13. Divide 500 in the ratio 2:3:5.

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  14. Divide 714 marbles between Alok and Kabeer in the ratio 3:4.

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  15. A purse contains रु1 and 2 coins in the ratio 7:4. If there are 242 co...

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  16. Arrange the following ratios in descending order. (5:6), (7:8). (9:10)

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  17. Arrange the following ratios in ascending order. (3:8). (5:9). (13:36)

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  18. What number should be added to each of the four numbers 4. I, 26, and ...

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  19. Check whether the following numbers are in continued proportion: a. 4....

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  20. A 2 feet tall child casts a shadow that is 3 feet long. Find the heigh...

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