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Ans 2:
Class : Class 7
The answer is so easy that I did it in just 8 seconds. If the water droplets will be heavy, then it will fall from the clouds i the form of rain.The answer was so simple. It is C
Ans 4:
Class : Class 9
The answer is C because - Water Droplets that are too heavy to float make Rain . It was too simple !!!
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Ans 7:
Class : Class 6
When we take out nail from a surface, the load and efforts are at either ends and fulcrum in the middle.
Ans 14:
Class : Class 7
It is b as first class lever are L-F-E which means fulcrum is between load and effort thus the ans. is scissors, claw hammer, pliers which is option B.