Kirchhoff's First Law, also known as the junction rule, states that the total current entering a junction equals the total current leaving it.
The ratio of the present ages of ‘A’ and ‘B’ is 5:6, respectively. Three years hence from now, the age of ‘B’ will be 21 years. If the avera...
The sum of the present ages of two cousins is 54 years. Eleven years ago, the older one was thrice as old as the younger one. What is the present age of...
A boy’s age is 140% of what it was 5 years ago, but 65% of what it will be after 10 years. What is his present age?
My sister is 5 years elder to me. My father was 30 years of age when my brother was born while my mother was 28 years of age when I was born. If my bro...
Five years ago, the average age of a family of four members was 25 years. Six years hence, the ratio of their ages will be 9:7:5:3. Find the a...
The difference between the compound interest and simple interest on a certain sum for 2 years at 12% per annum is 144. Find the principal amount.
The ratio of age of ‘B’ after 6 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 40% of th...
The current ages of 'Ajay' and 'Bishnu' are in the ratio 4:5. After 'y' years from now, their ages will be in the ratio y:(y + 1)...
Before 8 years ago, the ratio of age of anil and Sunil is 5:7, after 6 years from now the ratio of their ages become 7:9, find the sum of present age of...
Average age of 4 daughter of a family is 8 years and average age of daughter together with their parents is 16 years. If mother is 4 years younger than...
