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Total doctors in hospital ‘A’ = 200 Male doctors in hospital ‘A’ = 200 × (75/100) = 150 Female doctors in hospital ‘A’ = 200 – 150 = 50 Total doctors in hospital ‘B’ = 200/2 = 100 Male doctors in hospital ‘B’ = 100 × (30/100) = 30 Female doctors in hospital ‘B’ = 100 – 30 = 70 Total doctors in hospital ‘C’ = 150 – 70 = 80 Female doctors in hospital ‘C’ = 30 Male doctors in hospital ‘C’ = 80 – 30 = 50 Female doctors in hospital ‘D’ = 120 Total number of doctors in all hospitals = 120 × (100/20) = 600 Total doctors in hospital ‘D’ = (600 - 200 - 100 - 80) = 220 Total number of male doctors in hospital 'D' = 220 - 120 = 100 Required average = (50 + 70 + 30)/3 = 150/3 = 50
A person travels from city A to city B at 60 km/h and returns at 40 km/h. If the total time taken for the round trip is 6 hours, find the distance betwe...
Find the value of cos 15° × cos 75° + sin 15° × sin 75°:
The ages of P, Q, and R are in the ratio 2:3:5. After 5 years, the sum of their ages will be 75 years. What are their present ages?
In the given series, what will be come in place of blanks?
Series I: 13, _ P _, 89, 145, 229, 369
Series II: 287, _ Q _, 223, 194, 167, 14...
Find the difference between the smallest number of five digits and greatest number of four digits?
In a school, Boys are 60% of total students. 50% Boys students failed. Total 55% of students in school fail. employees in the company are working for mo...
I. x ² – 10x + 21 = 0
II. y ² – 8y + 15 = 0
The diagonals of a rhombus are 16 cm and 12 cm. Find the area of the rhombus.