CBSE Class 11 Linear inequalities Worksheet C

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1.Solution set of the in inequations 2x -1≤3and 3x +1≥-5 is.

2. Solve 7x + 3 < 5x + 9 . Show the graph of the solution on number line.

3. Solve the inequality. 

4. Solve the inequalities 3x + 4y ≤12 graphically.

5. The longest side of a Δ is 3 times the shortest side and the third side is 2 cm shorter than the longest side. If the perimeter of the Δis at least 61 cm find the minimum length of the shortest side.

6. In drilling world’s deepest hole it was found that the temperature T in degree Celsius, x km below the surface of earth was given by T = 30 + 25(x - 3),3 < x < 15At what depth will the tempt. Be between 200° c and 300°c

7. A sol. Of 8% boric acid is to be diluted by adding a 2% boric acid sol. 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% sol. how many litre of the 2% sol. will have to be added.

8. Solve graphically x + 2y £10 x + y ³1 x - y £ 0 

x ³ 0, y ³ 0 

Click on link below to download CBSE Class 11 Linear inequalities Worksheet C.