Q15. In a school which has a strength of 5500 students only 20% are girls. Findthe number of boys.Q16. Amits salary is Rs. 7800 per month and Sumits salary is Rs. 8100 permonth. If Amit gets an increment of 40% and Sumit gets an increment of50%. Who will earn more after wards? Share with your friends Share 0 Manbar Singh answered this 1.Total number of students = 5500percentage of girls = 20%Number of girls = 20% of 5500 = 20100×5500 = 1100So, number of boys = 5500 - 1100 = 44002.Monthly salary of Amit = Rs 7800Rate of increment = 40%Increment = 40% of 7800 = 40100×7800 = Rs 3120So, final salary of Amit = Rs 7800 + 3120 = Rs 10,920Monthly salary of Sumit = Rs 8100Rate of increment = 50%Now, increment = 50% of 8100 = 50100×8100 = Rs 4050Now, final salary of Sumit = Rs 8100 + 4050 = Rs 12,150So, salary of Sumit is more than that of Amit after the increment. 1 View Full Answer