Total arrangements: 6. Son at end: 4 arrangements (son at position 1 or 3, other 2 in 2! ways). Of these, father in middle: 2 arrangements. P(F/E)=2/4=1/2.
In the family mother, father and son stand up at random for a family picture. Define following two events : E = [Son stands at one of the two ends in…
CUET UG 2022 — Mathematics Algebra
2022mcqmedium
In the family mother, father and son stand up at random for a family picture. Define following two events :
E = [Son stands at one of the two ends in the picture]
F = [Father stands in the middle of the picture]
The value of P(F/E) is :
Official previous-year question
Held on 23 Aug 2022 · Verified 13 Jul 2026.
Options
- A
1
- B
31
- C
21
- D
91
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