Umar Zaheer

Note: This is the Solution of review exercise 13.2 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Exercise 13.2 Question 1: A researcher collected data on number of deaths from Horse-Ricks in Russian Army crops over the years. The table is as follows: Find the … Read more

Note: This is the Solution of review exercise 13.1 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Exercise 13.1 Question # 01: Arshad rolls a dice, with sides labelled \(\small{L}\), \(\small{M}\), \(\small{N}\), \(\small{O}\), \(\small{P}\), \(\small{U}\). What is the probability that dice lands on consonant? Question … Read more

Note: This is the Solution of review exercise 12 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Review Exercise 12 Question # 01: Four option are given against each statement. Encircle the correct option. \((i)\) Which data takes only some specific values? \( a) \quad … Read more

Note: This is the Solution of review exercise 12.2 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Exercise 12.2 Question # 01: Find the arithmetic mean in each of the following: \( (i) \; \) 4, 6, 10, 12, 15, 20, 25, 28, 30 \( … Read more

Note: This is the Solution of review exercise 12.1 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Exercise 12.1 Question # 01: The following distribution represents the scores achieved by a group of chemistry students in the chemistry laboratory. Answer the following questions. \( (i) … Read more

Note: This is the Solution of review exercise 11 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Review Exercise 11 Question # 01: Four option are given against each statement. Encircle the correct option. \((i)\) A triangle can be constructed if the sum of the … Read more

Note: This is the Solution of review exercise 11.2 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Exercise 11.2 Question # 01: Two points \(\small{A}\) and \(\small{B}\) are \(\small{8.2\ cm}\) apart. Construct the locus of points \(\small{5\ cm}\) from point \(\small{A}\). Question 2: Construct a … Read more

Note: This is the Solution of review exercise 11.1 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Exercise 11.1 Question # 01: Construct \(\small{\triangle ABC}\) with the given measurements and verify that the perpendicular bisectors of the triangle are concurrent. \( (i) \; \) \(m\overline{AB}=5\ … Read more

Note: This is the Solution of review exercise 10 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Review Exercise 10 Question # 01: Four option are given against each statement. Encircle the correct option. \((i)\) \(x=5\) represents: \( a) \quad \) \(x-axis\) \( b) \quad … Read more

Note: This is the Solution of review exercise 10.2 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Exercise 10.2 Question # 01: Plot the graph of \(\small{y=2x^2-4x+3}\) from \(\small{-1}\) to \(\small{3}\). Draw tangent at \(\small{(2,3)}\) and find the gradient. Question # 02: Plot the graph … Read more