Std 12 english 30 december 2021 ekam kasoti full paper solution | english ekam kasoti paper solution

How does a soap solution behave with red litmus paper ?

Blue litmus paper turns on contact with an acidic solution.

In the preparation of ultra filter paper collodion solution is used collodion is

In a certain examination, the candidates can offer papers in English or Hindi or both the subjects. The number of candidates who appeared in the examination is 1000 of whom 650 appeared in English and 200 appeared in both English and Hindi.Based on this information answer the questions given below: Find the number of candidates who offered paper in Hindi.

JEE Advanced 2018 | Paper - 1 | Complete Solution

JEE Advanced 2018 | Paper - 2 | Complete Solution

In a hostel 60% of the students read Hindi news paper, 40% read English news paper and 20% read both Hindi and English news papers. A student is selected at random. (a) Find the probability that she reads neither Hindi nor English news papers. (b) If she reads Hindi news paper, find the probability that she reads English news paper. (c) If she reads English news paper, find the probability that she reads Hindi news paper.