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Questions

Physics

Multiple Choice Question with Only One Choice Correct
A body floats in water with 40% of its volume outside water. When the same body floats in oil, 60% of its volume remains outside oil. The relative density of oil is

(a)	0.9	(b)	1.2
(c)	1.5	(d)	1.8

Chemistry

A solution of a non-volatile solute in water freezes at -30 ^oC. The vapour pressure of pure water at 298 K is 23.51 mmHg and K_f for water is 1.86 K kg mol^-1. Calculate the vapour pressure of this solution at 298 K.

Mathematics

Passage Based Question
Passage I
If p is a prime, then exponent of p in n! equals

The number of natural numbers n for n! ends in 26 zeros, is

(a)	4	(b)	5
(c)	6	(d)	7

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