Two quantities are in the ratio 3 : 7. If the smaller one is made 4 times it's size and the larger one is doubled , what would be the new ratio?

5 : 7

No worries! We‘ve got your back. Try BYJU‘S free classes today!

12 : 20

No worries! We‘ve got your back. Try BYJU‘S free classes today!

12 : 7

No worries! We‘ve got your back. Try BYJU‘S free classes today!

6 : 7

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
6 : 7

Let the Quantities be 3x and 7x

3x is made four times and we get : 3x $\times$ 4 = 12x

7x is doubled, so we get : 7x $\times$ 2 = 14x

New Ratio = 12 : 14 or 6 : 7

Suggest Corrections

Similar questions

Q. Two quantities A and B are in the ratio 4 : 7. If the smaller quantity is doubled and the larger quantity is halved, then new ratio will be .

Two quantities are in the ratio 1 : 4. On increasing the smaller one by 6 and decreasing the larger one by 6, The quantities are now in the ratio 7 : 13.

What were the original quantities ?

Q. Two angles are in the ratio 4 : 7. On increasing the smaller angle by

10^{\circ}

and decreasing the larger angle by

20^{\circ},

the ratio of the angles becomes 1 : 1. What is the value of the original smaller angle?

Q. There are two hollow spheres made of different materials, one with double the radius and one fourth wall thickness of the other are filled with ice. If the time taken for melting the ice completely in larger sphere is

25

minutes and that for smaller sphere is

16

minutes, the ratio of the thermal conductivity of the larger sphere to the smaller sphere is :

Q. Two numbers are in the ratio

7 : 10

. If the larger number is

140

, what is the smaller number.

Join BYJU'S Learning Program

Two quantities are in the ratio 3 : 7. If the smaller one is made 4 times it's size and the larger one is doubled , what would be the new ratio?

The correct option is D 6 : 7 Let the Quantities be 3x and 7x 3x is made four times and we get : 3x × 4 = 12x 7x is doubled, so we get : 7x × 2 = 14x New Ratio = 12 : 14 or 6 : 7

The correct option is D
6 : 7

Let the Quantities be 3x and 7x

3x is made four times and we get : 3x $\times$ 4 = 12x

7x is doubled, so we get : 7x $\times$ 2 = 14x

New Ratio = 12 : 14 or 6 : 7