Question

harsh scored 20% out of 50 marks on his first test. On the next test, there was an increase of 20% on his marks. On a later test, there was a decrease of 20% . What were his marks on the three tests?

Answer 1

Answer:

The marks on three tests are 10,20,30

Step-by-step explanation:

• Given marks gained on first test= 20/100 *50 = 10 now marks gained on his second test = 20/100 * 50 +10 = 20 and final the marks gained on his third test = 20 / 100 * 50 - 20 = 10

Answer 2

Answer:The marks on three tests are 10,20,30

Step-by-step explanation:

Given marks gained on first test= 20/100 *50 = 10 now marks gained on his second test = 20/100 * 50 +10 = 20 and final the marks gained on his third test = 20 / 100 * 50 - 20 = 10