Permutations And Combinations | JEE | Class 11 Maths |4 PM Class By Pallavi Ma'am |L3 English Medium

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In a class test, the sum of Kamal's marks in mathematics and English is 40. Had he got 3 marks more in mathematics and 4 marks less in English, the product of the marks would have been 360. Find his marks in two subjects separately.

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11 AM JEE Mains 2020 - Maths | Permutation & Combination - 30 Days Score Booster Course

The average marks of boys in a class is 52 and that of girls is 42. The average marks of boys and girls combined is 50. The percentage of boys in the class is (1) 40 (2) 20 (3) 80 (4) 60