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Multiple Choice Question with Only One Choice Correct
A steel wire of cross-sectional area 3 x 10^-6 m² can withstand a maximum strain of 10^-3. Young' s modulus of steel is 2 x 10¹¹ Nm^-2. The maximum mass the wire can hold is (Take g = 10 ms^-2)

(a)	40 kg	(b)	60 kg
(c)	80 kg	(d)	100 kg

Chemistry

Multiple Choice Question
The word "standard" in standard molar enthalpy change implies

(a)	temperature 298 K	(b)	pressure 1 bar
(c)	temperature 298 K and pressure 1 bar	(d)	all temperatures and all pressures

Mathematics

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

The exponent of 7 in ¹⁰⁰⁰C₅₀₀ is

(a)	0	(b)	1
(c)	2	(d)	3

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