Question
In a two-stroke engine commonly used in portable
agricultural tools, how is the scavenging of exhaust gases achieved?Solution
In a two-stroke engine, scavenging is carried out using the fresh charge which enters via the transfer port. It pushes the exhaust gases out of the cylinder through the exhaust port, thus eliminating the need for separate exhaust valves.
The ratio of the number of boys to the number of girls in a school of 640 students, is 5 : 3. If 30 more girls are admitted in the school, then how many...
If A:B:C = 2:3:8 and (C - B) = 130, then find the product of 'C' and 'A'.
The ratio of the selling prices of two articles, A and B, is 3:4. Article A is sold at a profit of Rs. 540, and article B is sold at a loss of 10%. If t...
If 50 less had applied and 25 less selected, the ratio of selected to unselected would have been 9 : 4. So how many candidates had applied if the ratio ...
If three numbers are in the ratio of 1:3:5 and their sum is 9000. Find the largest of the three numbers.
- In a school, class ‘M’ has girls equal to 80% of the boys. Class ‘N’ has 25% less boys than class ‘M’ and 20% more students overall. Find the r...
If 6A = 4B = 9C; What is A : B : C?
A chemist combines three solutions with active ingredient concentrations of 10%, 20%, and 30% in the ratio 2:3:5. If the total volume of the mixture is ...
There are 15 numbers such that average of first 12 numbers is 30 while the average of last five numbers is 50. Find the 12th number, if the ratio betwee...
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