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Direct and inverse variations

If two quantities are in direct variation, then they are in _______________

a) Transvers
b) Inverse transvers
c) Praportion
d) Inverse praportion

✔Answer

Correct Answer Is : Praportion

Solution Is :

We can say that the speed of a car and the time taken by it to cover a given distance are in _____________ .

a) Praportion
b) Variation
c) Relation
d) Comparision

✔Answer

Correct Answer Is : Variation

Solution Is :

We can say that the speed of a car and the distance cover it, in a given period of time are in _____________ .

a) Praportion
b) Variation
c) Relation
d) Comparision

✔Answer

Correct Answer Is : Variation

Solution Is :

If two quantities are linked in such a way that an increase in one quantity leads to a corrosponding decrease in other and vice-versa, then such variation is called a ____________.

a) Direct variation
b) Inverse variation
c) Maybe
d) Both 1 and 2

✔Answer

Correct Answer Is : Inverse variation

Solution Is :

If two quantities are linked in such a way that an increase in one quantity leads to a corrosponding ____________ in other, then it is called a inverse variation.

a) Increase
b) Decrease
c) Both 1 and 2
d) No change

✔Answer

Correct Answer Is : Decrease

Solution Is :

If two quantities are in inverse variation, then they are in _______________

a) Transvers
b) Inverse transvers
c) Praportion
d) Inverse praportion

✔Answer

Correct Answer Is : Inverse praportion

Solution Is :

If a having values 4,7, 11 and b having values 12,21, 33. find constant of variation if a and b are in direct variation.

a)
b)
c) Both 1 and 2
d) They are not in direct variation

✔Answer

Correct Answer Is :

Solution Is :

If a having values 2.5, 3.5, 4.5, 5.5 and b having values 5, 7, 9, 11. find constant of variation if a and b are in direct variation.

a) 1 ? 2
b) 1 ? 3
c) 2 ? 3
d) 1

✔Answer

Correct Answer Is : 1 ? 2

Solution Is :

A car travels 432 km on 48 litres of petrol. How far would it travel on 20 litres of petrol?

a) 40km
b) 80km
c) 130km
d) 180km

✔Answer

Correct Answer Is : 180km

Solution Is :

A car travels 520 km on 40 litres of petrol. How far would it travel on 30 litres of petrol?

a) 300km
b) 330km
c) 360km
d) 390km

✔Answer

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Class 8 Maths Study Material

Direct and inverse variations

If two quantities are in direct variation, then they are in _______________

Correct Answer Is : Praportion

Solution Is :

We can say that the speed of a car and the time taken by it to cover a given distance are in _____________ .

Correct Answer Is : Variation

Solution Is :

We can say that the speed of a car and the distance cover it, in a given period of time are in _____________ .

Correct Answer Is : Variation

Solution Is :

If two quantities are linked in such a way that an increase in one quantity leads to a corrosponding decrease in other and vice-versa, then such variation is called a ____________.

Correct Answer Is : Inverse variation

Solution Is :

If two quantities are linked in such a way that an increase in one quantity leads to a corrosponding ____________ in other, then it is called a inverse variation.

Correct Answer Is : Decrease

Solution Is :

If two quantities are in inverse variation, then they are in _______________

Correct Answer Is : Inverse praportion

Solution Is :

If a having values 4,7, 11 and b having values 12,21, 33. find constant of variation if a and b are in direct variation.

Correct Answer Is :

Solution Is :

If a having values 2.5, 3.5, 4.5, 5.5 and b having values 5, 7, 9, 11. find constant of variation if a and b are in direct variation.

Correct Answer Is : 1 ? 2

Solution Is :

A car travels 432 km on 48 litres of petrol. How far would it travel on 20 litres of petrol?

Correct Answer Is : 180km

Solution Is :

A car travels 520 km on 40 litres of petrol. How far would it travel on 30 litres of petrol?

Correct Answer Is : 390km

Solution Is :

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