Lecture-4

Linear Inequalities Lecture 4
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00:00:05 Working with double inequalities

00:01:17 NCERT Miscellaneous Exercise Question 1

00:04:07 NCERT Miscellaneous Exercise Question 2

00:05:37 NCERT Miscellaneous Exercise Question 3

00:08:37 NCERT Miscellaneous Exercise Question 4

00:09:57 NCERT Miscellaneous Exercise Question 5

00:11:47 NCERT Miscellaneous Exercise Question 6

00:18:47 NCERT Miscellaneous Exercise Question 7

00:22:27 NCERT Miscellaneous Exercise Question 8

00:24:57 NCERT Miscellaneous Exercise Question 9

00:27:27 NCERT Miscellaneous Exercise Question 10

00:30:57 NCERT Miscellaneous Exercise Question 11

00:33:57 NCERT Miscellaneous Exercise Question 12

A solution of 8% boric acid is to be diluted by adding a 2% boric acid solution to it. The resulting mixture is to be more than 4% but less than 6% boric acid. If we have 640 litres of the 8% solution, how many litres of the 2% solution will have to be added?

00:45:57 NCERT Miscellaneous Exercise Question 13

How many litres of water will have to be added to 1125 litres of the 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content?

00:54:17 NCERT Miscellaneous Exercise Question 14