Q26 of 106 Page 310

Fill in the blanks to make the statements true:

If x varies inversely as y. then


if x varies inversely as y, then

xy = k(constant) …(1)


if x = 60 and y = 10


∴ xy = 60× 10 = 600


⇒ k = 600


When y = 2, then from Eq. (i)


x × 2 = k


⇒ 2x = 600


⇒ x = 300


More from this chapter

All 106 →
24

Fill in the blanks to make the statements true:

Two quantities are said to vary ……………. with each other if an increase in one causes a decrease in the other in such a manner that the product of their corresponding values remains constant.

 25

Fill in the blanks to make the statements true:

If 12 pumps can empty a reservoir in 20 hours, then time required by 45 such pumps to empty the same reservoir is …………. hours.

27

Fill in the blanks to make the statements true:

If x varies directly as y. then


 28

Fill in the blanks to make the statements true:

When the speed remains constant, the distance travelled is …………….