Question
Before servicing, a car runs at a speed of 25 km/hr
while after servicing, it runs at a speed of 50 km/h. After servicing the car covers a certain distance in 8 hours. How much time would the car have taken to cover the same distance when it was not serviced?Solution
After servicing, Distance covered by the car = 50 × 8 = 400 km Required time taken = 400/25 = 16 hours
A sum of money is divided among P, Q, R and S in the ratio of 5:6:10:11 respectively. If the share of R's is Rs. 2440 more than the share of Q, then wha...
In a coaching institute, there are 80 mathematics teachers, 60 English teachers, 100 physics teachers, and 40 chemistry teachers. The ratio of male to f...
A sum of money is divided among P, Q, R and S in the ratio of 2:3:6:7 respectively. If the share of R's is Rs. 2850 more than the share of Q, then what ...
The ratio of two numbers is 4:5. If each number is decreased by 4, the ratio becomes 7:9. Find the smaller numbers.
What is the ratio whose terms differ by 40 and the measure of which is 3/5?
In the financial records of individuals A and R, the proportion of their salaries in the year 2022 was 5:4. Subsequently, the ratio of A's salaries in 2...
Ratio between two numbers is 9:14 and their difference is 55. Find the sum of the given two numbers.
A sum is distributed among M, N, O and P in the ratio 4:7:9:2. If O gets Rs. 14000 more than P, find the difference between the shares of M and N.
In an office, the ratio of the number of males to number of females is 11:8. If 3 males joined the class and 6 females left the class, then the ratio of...
If 'A' = (2/5) of 'B', 'B' = (3/4) of 'C', then find the value of (A + B) :(B + C) .
