The average marks scored by Ram in 5 tests of Physics is 30. How many marks must he obtain in his next test to make the average 32? |
40 42 36 44 |
42 |
The average marks scored by Ram in 5 tests of Physics = 30 So the total marks of 5 subjects = 30 × 5 = 150 According to the question, The new average must be = 32 So the subject will be = 6 Now the total marks will be = 32 × 6 = 192 So he need to obtain = 192 - 150 = 42 marks in the new subject. |