Question

Mr Nafees can mosaic his lawn in x hours .After 2 hours it begins to rain .What part of the lawn is left unmoised? ​

Answer 1

Correct answer:-

∵ Mohan moves the whole lawn in x hours.

⇒ mohan moves in 2 hours = 2/x part of the lawn.

∴ Unmoved part = 1 - 2/x = (x - 2)/ x part.

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Answer 2

Step-by-step explanation:

Given, Length=5cm,

Width=4cm,

Height =15cm

V=l×b×h

=5×4×15=300cm

3

(ii). Given, Diameter =7cm,

Height=10cm,

π=

2

7

Volume =πr

2

h

=

7

22

×

2

7

×

2

7

=77×5=385cm

3

Difference =385cm

3

−300cm

3

=85cm

3

.

Hence, Cylinder container has greater capacity by 85 cubic cm.