Question

1. A person has certain money to buy 20 smartphones worth `5000 each. If the cost of each smartphone decreases by `1000, then find the number of smartphones he can buy. 2. A man completes 2/5 of a job in 8 days. At this rate, in how many days will he take to finish the complete job?

Answer 1

Step-by-step explanation:

1.

Total money:5000×20

:100000

Number of mobile he can buy:

100000÷(5000-1000)

100000÷4000

25 pieces

2.

8×5/2

4×5

20 days