Physics
A pilot has to release the bomb to hit a target

Before the target
Beyond the target
Right above the target
None of these

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Physics
An egg sinks in soft water but floats in a concentrated solution of salt because

Egg absorbs salt from the solution and expands
Water has high surface tension
The density of salt solution exceeds the density of eggs
Albumin dissolves in salt solution and egg becomes lighter

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Physics
It is easier for a man to swim in sea water, than in river water because

The sea is-deeper than the river
The density of sea water is lesser than the density of river water
The sea is wider than the river
The density of sea water is more than the density of river water

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