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2 solved questions on Time and Work
CSS 2024General Science & AbilityQ. 8
(a) A man purchases a car in an amount of Rs. 2,400,000 in which he pays one-fourth extra as profit. Find the original amount of car and the amount of profit. (b) Twelve men can complete a job in twenty-four days. After four days four person quit. In how many days this job will be completed by the remaining persons. (c) The shadow of a 10 m tall tree is falling on a high rise building and its height is 100 m. If the tree is 20 m away from the wall, at what distance from the wall is the light source? (d) There are three cars and start moving in such a way that car A and B are moving opposite with speed 60 and 100 km/h. Car C is moving perpendicularly to both with speed 80 km/h. What is distance after 15 minutes between (i) A and B (ii) A and C (iii) B and C?
#cssnexus #Profit and Loss #Time and Work #Similar Triangles
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