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Multiple Choice Question with Only One Choice Correct
Siz equal resistances are connected between points A, B and C as shown in fig. If R₁, R₂ and R₃ are the net resistances between A and B, between B and C and between A and C respectively , then R₁ : R₂ : R₃ will be equal to

(a)	6 : 3 : 2	(b)	1 : 2 : 3
(c)	5 : 4 : 3	(d)	4 : 3 : 2

Chemistry

Multiple Choice Question
The products of combustion of an aliphatic thiol (RSH) at 298 K are

(a)	CO₂(g), H₂O(g) and SO₂(g)	(b)	CO₂(g), H₂O(I) and SO₂(g)
(c)	CO₂(I), H₂O(I) and SO₂(g)	(d)	CO₂(g), H₂O(I) and SO₂(I)

Mathematics

Passage Based Question
Passage I
Suppose E₁, E₂, E₃ be three mutually exclusive events such that P(E_i) = p_i for i = 1, 2, 3.
P(E₁

E₂') + P(E₂

E₃') + P(E₃

E₁') equals
(a) p₁(1 - p₂) + p₂(1 - p₃) + p₃(1 - p₁)
(b)p₁p₂ + p₂p₃ + p₃p₁
(c) p₁ + p₂ + p₃
(d) none of these

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