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 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 ⇒ …
21. Ravi obtained 70 and 75 marks in first two unit test. Find the ...
WebNov 3, 2024 · Ravi obtained 75 in a first unit test. He obtained 70 in a second unit test. The average of his three-unit tests is 60. Let the marks he gets in the third unit test be x. We … 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. … css li width: auto adjust
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WebPlease briefly explain why you feel this question should be reported. Please briefly explain why you feel this answer should be reported. Please briefly explain why you feel this user … WebQuestion From - NCERT Maths Class 11 Chapter 6 EXERCISE 6.1 Question – 21 LINEAR INEQUALITIES CBSE, RBSE, UP, MP, BIHAR BOARDQUESTION TEXT:-Ravi obtained 70 ... 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 … css li type