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10. Direct and Inverse Proportions
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Q40 of 106 Page 310

Fill in the blanks to make the statements true:

If the area occupied by 15 postal stamps is 60 cm2, then the area occupied by 120 such postal stamps will be…………...

∵ The area occupied by 15 postal stamps = 60cm2


∴the area occupied by 1postal stamps =


Similarly, the area occupied by 120such postal stamps


= 4×120 = 480cm2

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38

Fill in the blanks to make the statements true:

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41

Fill in the blanks to make the statements true:

If 45 persons can complete a work in 20 days, then the time taken by 75 persons will be ………… hours.

42

Fill in the blanks to make the statements true:

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Questions · 106
10. Direct and Inverse Proportions
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