WebLet x be the marks obtained by Ravi in the third unit test. Since the student should have an average of at least 6 0 marks. 3 7 0 + 7 5 + x ≥ 6 0 ⇒ 1 4 5 + x ≥ 1 8 0 ⇒ x ≥ 1 8 0 − 1 4 5 ⇒ …

Ravi obtained \[70\] and \[75\] marks in first two unit test. Find the ...

Web5. Ravi obtained 70 and 75 mark in first unit test. Find the minimum marks he should get in the third test to have an average of at least 60 marks. 6. A plumber can be paid under two … WebToppr: Better learning for better results can a divorced spouse claim ss benefits

NCERT Solutions class-11 Maths Exercise 6.1 myCBSEguide

WebSolution: Let us consider x be the marks obtained by Ravi in his third unit test Given that, the entire students should have an average of at least marks The inequality based on given … Web21. Ravi obtained 70 and 75 marks in first two unit test. Find the minimum marks he should get in the third test to have an average of at least 60 marks. Solution: Let us assume, x be the marks obtained by Ravi in his third unit test . According to question, the entire students should have an average of at least 60 marks ( + + x)/ = + x = x - 145 Web∴ Average marks obtained by Ravi = Number of tests Sum of marks in all tests = 3 70 + 75 + x = 3 145 + x Now, it is given that he wants to obtain an average of atleast 60 marks. … fisherman stand jojo