A disaster relief team consists of engineers and doctors in the ratio of `2:5` .(i) If there are 18 engineers,find the number of doctors. (ii) If there are 65 doctors,find the number of engineers.

A disaster relief team consists of engineers and doctors in the ratio 2:5 If there are 18 engineers, find the number of doctors.

A disaster relief team consists of engineers and doctors in the ratio 2:5 If there are 65 doctors, find the number of engineers.

A, B, C, D, E, F and G are standing in a straight line facing North with equal distances between them, not necessarily in the same order. Each one. pursuing a different profession-actor, reporter, doctor, engineer, lawyer, teacher and painter not necessarily in the same order. Gis fifth to the left of C. The reporter is third to the right of G F is fifth to the right of A. E is second to the left of B. The engineer is second to the left of D. There are only three people between the engineer and the painter. The doctor is to the immediate left of the engineer. The lawyer is to the immediate right of the teacher.What is A 's profesion ?

A, B, C, D, E, F and G are standing in a straight line facing North with equal distances between them, not necessarily in the same order. Each one. pursuing a different profession-actor, reporter, doctor, engineer, lawyer, teacher and painter not necessarily in the same order. Gis fifth to the left of C. The reporter is third to the right of G F is fifth to the right of A. E is second to the left of B. The engineer is second to the left of D. There are only three people between the engineer and the painter. The doctor is to the immediate left of the engineer. The lawyer is to the immediate right of the teacher.Which of the following statements is true according to the given arrangement ?

A, B, C, D, E, F and G are standing in a straight line facing North with equal distances between them, not necessarily in the same order. Each one. pursuing a different profession-actor, reporter, doctor, engineer, lawyer, teacher and painter not necessarily in the same order. Gis fifth to the left of C. The reporter is third to the right of G F is fifth to the right of A. E is second to the left of B. The engineer is second to the left of D. There are only three people between the engineer and the painter. The doctor is to the immediate left of the engineer. The lawyer is to the immediate right of the teacher.What is D's position with respect to the painter ?

A, B, C, D, E, F and G are standing in a straight line facing North with equal distances between them, not necessarily in the same order. Each one. pursuing a different profession-actor, reporter, doctor, engineer, lawyer, teacher and painter not necessarily in the same order. Gis fifth to the left of C. The reporter is third to the right of G F is fifth to the right of A. E is second to the left of B. The engineer is second to the left of D. There are only three people between the engineer and the painter. The doctor is to the immediate left of the engineer. The lawyer is to the immediate right of the teacher.Who among the following is the actor ?

The average age of consisting doctors and lawyers together is 40. If the doctors average age is 35 and the lawyers average age is 50, find the ratio of the number of doctors to the number of lawyers.

There are 800 doctors and 3600 patients in a hospital. Find the ratio of the number of doctors to the number of patients.

What is the difference between the number of diesel engine cars in state-2 and the number of petrol engine cars in state-4 ?