MyQuestionIcon

4

You visited us 4 times! Enjoying our articles? Unlock Full Access!

Physical Quantities and Measurement

Zinc and copp...

Question

Zinc and copper are melted together in the ratio 9 : 11. What is the weight of melted mixture, if 28.8 kg of zinc has been consumed in it ?

A

58 kg

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

B

60 kg

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

C

64 kg

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

D

70 kg

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

Open in App

Solution

The correct option is C 64 kg
For $9$ kg zinc, mixture melted = $(9 + 11) k g$ .
For $28.8$ kg zinc, mixture melted
$= \frac{20}{9} \times 28.8 = 64 k g .$

Suggest Corrections

thumbs-up

0

Similar questions

Q. An alloy is to contain copper and zinc in the ratio 9 : 4 .. The zinc required to be melted, with 24 kg of copper is :

Q. In two alloys, copper and zinc are related in the ratio of 4 : 1 and 1 : 3 10 kg of 1st alloy, 16 kg of 2nd alloy and some of pure copper are melted together An alloy was obtained in which the ratio of copper to zinc was 3 : 2 Find the weight of the new alloy?

An alloy is to contain copper and zinc in the ratio 9 :4. The zinc required (in kg) to be melted with 24 kg of copper, is

Q. An alloy contains zinc, copper and tin in the ratio

2 : 3 : 1

and another alloy contains copper, tin and lead in the ratio

5 : 4 : 3.

If equal weights of both alloys are melted together to form a third alloy, then the weight of lead per kg in new alloy will be

Q. The ratio of zinc and copper in an alloy is 9:8. If the weight of copper, in the same alloy, is 120 kg, find the weight of zinc in the alloy.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Systems of Unit

PHYSICS

Watch in App

explore_more_icon

Explore more

Physical Quantities and Measurement

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon