Jharkhand Board **12th** Mathematics Set I Model Papers 2014 Free Download

Jharkhand Board Class 12th Mathematics Set I Model Papers 2014, Jharkhand Board Class 12th (XII) 2014 Mathematics Set I Model Papers Jharkhand Board Class XII Mathematics Set I Model Papers 2014 outside Jharkhand Students Free Download Jharkhand Board 12th – XII Mathematics Set I Model Papers for Foreign Students with Answers and Solution 2014 Jharkhand Board Exam Papers for Class 12 (XII) std Jharkhand Board 2014 Mathematics Set I Question Bank with Full Details.

**Mathematics Set I**

**Time : 3 Hours **

**Maximum Marks : 100**

**1. In a bolt factory, three machinis A, B and C manufacture 25 %, 35 % and 40 % of the total production respectively. Of their respective outputs 5%, 4% and 2% are defective.**

**(i) A bolt is drown at random. Find the probability that it is produced by machine **

** A.**

**(ii) A bolt is drown at random. Find the probability that it is produced by machine C.**

**(iii) Find the probability of drawing a defective bolt, given that its is produced by machine A.**

**(iv) Find the probability of drawing a defective bolt. given that its is produced by machine B.**

**(v) Find the probability of drawing a defective bolt. given that its is produced by machine C.**

**(vi) A bolt is drown at random and its is found to be defective. Find the probability that it was manufactured by machine A.**

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