Question

2.Dawood can proofread 50 pages in 40 minutes. How many pages can he proofread in 2 hours? 4 marks

3.If 20 men working together can finish a job in 20 days, in how many days will 25 men finish it? 4 marks ON​

Answer 1

Q1:

150 pages is the answer

2 hours= 60+60minutes

So 120/40 =3

Answer= 50×3= 150.

Q2:

Using Work=men×days we get

Work=20×20

Work=400

Now, work is same and number of days are to be calculated

400=25×days

days= 16

400 = 25 x 16

so it will take 16 days

Explanation:

Hope this helps!