All subjects
6 solved questions on Statistics
CSS 2022General Science & AbilityQ. 8
(a) What do you understand by Sampling? Discuss Non-Probability Sampling. (b) Aslam is willing to use the stylish ceramics tiles in the lounge of his under-construction house. The shape of the tile is a right triangle, having the lengths of two legs of 12 cm and 4 cm. Each tile costs Rs. 15. How much will it cost to fill the lounge of 8 meters length and 6 meters width with these tiles? (c) During a sale a clerk was putting new price tags on each item. On one sweater, he accidentally raised the price by 20% instead of lowering the price by 20%. As a result the price on the tag was Rs. 80 too high. What was the original price of the sweater? (d) If in a certain language, BROTHER is written as QDGSNQA, then in the same language, SISTER would be written as?
#cssnexus #Sampling #Non-Probability Sampling #Convenience Sampling
CSS Nexus6 Nov 2026
CSS 2020General Science & AbilityQ. 6
(a) Tariq can do a tailoring job in 6 hours. Sajid does the same job in 4 hours. Irfan does it in 8 hours. Tariq and Sajid start doing the work. Sajid leaves after two hours and Irfan replaces him. How long would it take to complete the work? (b) Find the missing number to complete each sum: (a) 9 + 8 - 5 = 2 × ( ) (b) 3 × 9 - 14 = 24 - ( ) (c) 15 ÷ 3 × 12 = 41 + ( ) (d) 24 ÷ 4 + 5 = 66 ÷ ( ) (e) 8 × 6 - 13 + 3 = 7 × 6 - ( ). (c) There are seven students in a group having ages 17, 17, 18, 18, 18, 19, 19. Calculate mean, median, mode and range of their ages. Also define these mentioned terms. (d) How does mental ability scales differ from IQ test?
#cssnexus #Time and Work #BODMAS #Missing Numbers
CSS Nexus6 Nov 2026
CSS 2020General Science & AbilityQ. 8
(a) What do you understand by systematic sampling? Discuss its types. (b) Blood groups of inhabitants of a village were checked. It was found that 600 people possessed blood group A, 650 possessed blood group B, 550 had blood group AB and 200 have blood group O. (i) Calculate the probability of having blood group B. (ii) Calculate the probability of having blood group O. (c) A group of 50 men can construct 20 kilometer road in 40 days. How long will 70 men take to complete same length of road? (d) Zahid left a property worth Rs 1,750,000. His family had to pay off a debt of Rs 150,000. The rest of money was distributed between a son and a daughter. How much did each child receive if share of a son was double than that of a daughter?
#cssnexus #Systematic Sampling #Types of Sampling #Probability
CSS Nexus6 Nov 2026
CSS 2019General Science & AbilityQ. 6
(a) Moiz was trying to sleep at night but there was too much noise around him. His clock ticked every 5 seconds; a tap was dripping every seventh second and a pet dog snored every 12th second. He noticed on his clock that all three things happened together on the stroke of midnight. Find after how many seconds these three things happened together. (b) One pipe can fill a pool 1.25 times as fast as second pipe. When both pipes are opened they can fill the pool in five hours. How long will it take to fill the pool if only the slower pipe is used? (c) The cost of hiring a car for 2 days in 2018 was Rs. 264 which was 20% more than in 2013. What was the cost of hiring a car in 2013? (d) What do you understand by measure of central tendency? State its types.
#cssnexus #LCM #Pipes and Cisterns #Percentage
CSS Nexus6 Nov 2026
CSS 2017General Science & AbilityQ. 6
(A) Differentiate with examples between a 'Pictogram' and 'Histogram'. (B) The teachers of a certain school were asked to indicate the average number of hours they spend on marking students assignments each day. The following set of data was obtained: 6, 4, 3, 1, 2, 2, 3, 1, 4, 1, 2, 5, 3, 4, 5, 2, 2, 3, 3, 1, 2, 2, 3, 1, 4, 2. Construct a frequency table and draw a Histogram illustrating the results. (C) How many teachers responded to the survey? (D) What the longest number of hours and most common number of hours are spent?
#cssnexus #Pictogram #Histogram #Difference Between Pictogram and Histogram
CSS Nexus6 Nov 2026
CSS 2016General Science & AbilityQ. 10
(a) Define and draw the following: (i) Right-angle triangles (ii) Equilateral triangles (b) There are nine students in a group having ages 15, 15, 16, 16, 16, 17, 17, 18, 19. Calculate mean, median, mode and range of their ages. Also define the above mentioned terms.
#cssnexus #Geometry #Triangles #Statistics
CSS Nexus6 Nov 2026