[PPSC ASSISTANT ELECTRICAL INSPECTOR, 2024]
16. A can complete a work in 18 days and B can complete the same work in 12 days. If they work together for 6 days, what fraction of the work will be completed ?
5/6
7/24
1/2
2/3
17. A contractor can complete a construction project in 30 days by working 8 hours per day. If he increases his daily working hours to 10 hours, how long will it take to complete the same project?
24 days
25 days
26 days
27 days
18. If 6 workers can complete a task in 8 days, how many workers are needed to complete the same task in 4 days?
3
6
9
12
19. If the 3rd day of a month is Monday, which of the following will be the fifth day from 21st of the month?
Monday
Tuesday
Wednesday
Thursday
20. When the price of a product decreased by 20% , the number sold increased by 50%. What was the effect on the total revenue?
5% decrease
17% increase
20% increase
10% decrease