Q2 of 41 Page 10

It x and y vary inversely, fill in the following blanks:

(i)




















X



12



16



…..



8



…



Y



….



6



4



…….



0.25



(ii)


















X



16



32



8



128



Y



4



…..



…….



0.25



(iii)


















x



9



……



81



243



y



27



9



……



1


(i)




















X



12



16



24



8



324



Y



8



6



4



12



0.25




P =



P =



q =


(ii)


















X



16



32



8



128



Y



4



2



8



0.25







(iii)


















x



9



27



81



243



y



27



9



3



1







More from this chapter

All 41 →
23

In 15 days, the earth picks up kg of dust from the atmosphere. In how many days it will pick up kg of dust?

 1

In which of the following tables x and y vary inversely:

(i)


















X



4



3



12



1



Y



6



8



2



24



(ii)


















X



5



20



10



4



Y



20



5



10



25



(iii)


















X



4



3



6



1



Y



9



12



8



36



(iv)


















X



9



24



15



3



Y



8



3



4



25


 3

Which of the following quantities vary inversely as each other?

(i) The number of x men hired to construct a wall and the time y taken to finish the job.


(ii) The length x of a journey by bus and price y of the ticket.


(iii) Journey (x km) undertaken by a car and the petrol (y litres) consumed by it.

 4

It is known that for a given mass of gas, the volume v varies inversely as the pressure p. Fill in the missing entries in the following table :


























v (in cm)3



…



48



60



…



100



…



200



p (in atmospheres)



2



…



3/2



1



…



1/2



…