Question
In hospital D, 40% of the male doctors and 25% of the
female doctors are above the age of 50. Find the total number of doctors above the age of 50 in hospital D. Read the following information carefully and answer the questions:   In hospital ‘A’, total number of doctors is 200, out of this 75% are male doctors and rest is female doctors. In hospital ‘B’ total number of doctors are half of the doctors of hospital ‘A’. In hospital ‘B’, 30% is male doctors. Total number of doctors in hospital ‘C’ is 70 less than the number of male doctors in hospital ‘A’. In hospital ‘C’, female doctors are equal to the male doctors of hospital ‘B’. In hospital ‘D’, total female doctors are 120, which 20% of total doctors.Solution
Find total doctors in Hospital D: Female doctors are 20% of total doctors. Total doctors = 120/0.2 =600. Find male doctors in Hospital D: Male doctors = 600−120=480. Doctors above 50: 40% of male doctors = 0.4×480=192. 25% of female doctors = 0.25×120=30. Total doctors above 50: 192+30=222. So, 222 doctors are above the age of 50 in Hospital D.
Shivam invested 24000 at 8% p.a. simple interest for ‘x’ months. If at the end of ‘x’ months, he received a total amount of Rs.27200. What is th...
Some amount out of Rs. 24000 was lent out at 10% per annum and the rest amount @ 16% per annum and thus in 5 years the total interest from both the amou...
- Neha deposits Rs. 9,000 at a simple interest rate of 7% per annum for 5 years. What amount will she get at the end of the term?
The difference between compound interest and simple interest at rate of 16% per annum for 2 years is Rs. 192. Find the simple interest obtained on same ...
Ankush puts Rs. 8,000 into two separate Systematic Investment Plans (SIPs) at a compound interest rate of 20% per annum. In SIP 'X', the investment is f...
Aman invested Rs. 'a' and Rs. (a + 2300) in SIP 'P' and 'Q', respectively, in a way that the amounts received from both SIPs after 2 years are equal. If...
The difference between the simple interest for two years and the compound interest for one year on a sum of money is Rs.273. In which compound interest ...
Rs. 9,000 is invested in scheme ‘A’ offering simple interest of 20% p.a. and Rs. 6,500 in scheme ‘B’ offering simple interest of 8% p.a. What is...
Ravi shared Rs. (x + 3600) between his two kids, Arjun and Bharat, in the ratio of 5:3. Arjun put his share in a simple interest scheme at 10% p.a. for ...
‘When Rs. (a + 800) is invested at 30% p.a. simple interest for 5 years it gives an interest of Rs. (4a + 900). Find the value of ‘a’.