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The motor car starts at 60 km/h and increases speed by 15 km/h every 2 hours. It needs to cover 360 km. First 2 hours at 60 km/h → Distance covered = 120 km → Remaining = 240 km Next 2 hours at 75 km/h → Distance covered = 150 km → Remaining = 90 km Next 1 hour at 90 km/h → Distance covered = 90 km → Completed Total time taken = 2+2+1=5 hours
Marks scored by A and B in a test are in the ratio 13:8 respectively. If B had scored 4 more marks, then marks scored by A would be 30% more than that o...
In an office, the ratio of the number of males to number of females is 7:3. If 2 males joined the class and 5 females left the class, then the ratio of ...
A vessel is full of 90l milk, 15liter milk is taken out and replaced by water and again this process is repeated 2 more times, the amount of milk left a...
A stone worth Rs.3800 drops and breaks with weight in the ratio 2:3:5. The price of stone is directly proportional to square of its weight. Find the tot...
Harsh is having Rs 40000. He deposited it in 2 banks. Interest given by first bank is 10.5%per annum and that of 2nd bank is 5.5%per annum. I...
P, Q and R together started a business. Two times the investment of P equals three times the investment of Q and the capital of Q is twice that of R. Fi...
The ratio between the number of books and pencils is 8:5 and the ratio of cost of per book and pencil is 6:5 then find the percentage by which total cos...
Three numbers are in the ratio 3:5:6. If the sum of their squares is 630, then the numbers are:
If the ratio of number of boys and girls present in the playground is 5:4. 10 boys left the playground, leaving total number of girls same as the boys p...
Two numbers are respectively 40% and 70% more than a third number. Find the ratio of two numbers.