All subjects
3 solved questions on Mean Median Mode
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 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 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