Question

Aimal got 12 out of 30 marks in his weekly test.His teacher advised him to work hard and gave him a target of securing 70% marks in his next test. In what ratio should he improve his marks to achieve his target?

Answer 1

Step-by-step explanation:

12 out of 30 means 40%

so to get 70% in next week test he must increase 30% for 7 days so per day he must increase 4.3%