Question

If 15 workers can finish a task in 42 hours calculate the number of workers required to complete the same task in 30 hours​

Answer 1

Answer:

21 workers required complete the task

Step-by-step explanation:

15 workers can finish a task in 42 hours

workers required to complete the same task in 30 hours is

15*42/30

= 21 workers

21 workers required complete the task

Answer 2

Step-by-step explanation:

Following are the number of members in 25 families of a village:

6, 8, 7, 7, 6, 5, 3, 2, 5, 4, 3, 3, 2, 5, 6, 8, 7, 7, 4, 3, 6, 6, 6, 7, 5.

Make a frequency distribution table for the data using class intervals 0 – 2, 2 – 4,

etc.