Q37 of 106 Page 310

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If x varies inversely as y and x = 4 when y = 6, then when x = 3 the value of y is …………...

X varies inversely as y.


In inverse proportion,


If x = 4 and y = 6, then k = 4×6 = 24


Now, when x = 3, then


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35

Fill in the blanks to make the statements true:

An auto rickshaw takes 3 hours to cover a distance of 36 km. If its speed is increased by 4 km/h., the time taken by it cover the same distance is …………...

 36

Fill in the blanks to make the statements true:

If the thickness of a pile of 12 cardboard sheets is 45 mm, then the thickness of a pile of 240 sheets is …………. Cm.

 38

Fill in the blanks to make the statements true:

In direct proportion,

39

Fill in the blanks to make the statements true:

In case of inverse proportion, .