Correct Answer - Option 1 : 45
Total number of students
|
Number of students in Mathematics
|
Number of students in English
|
Number of students in Chemistry
|
Number of students in Computer
|
Number of students in Physics
|
300
|
45 (3/20) × 300
|
45
|
60 (45 + 15)
|
84 (60 + 24)
|
66 [300 – (45 + 45 + 60 + 84 )]
|
Number of female students in Mathematics coaching = 40% of 45
⇒ 18
Number of male students in Mathematics coaching = 45 – 18
⇒ 27
Number of female students in English coaching = 60% of 45
⇒ 27
Number of male students in English coaching = 45 – 27
⇒ 18
Total number of male students in Mathematics and English coaching = 27 + 18
⇒ 45