Question
During which operating conditions of an automobile is
carbon monoxide content in exhaust gas maximum?Solution
Carbon monoxide content is highest during acceleration due to incomplete combustion of fuel.
- The ratio of the ages of a teacher and a student is 5:2, respectively. If the difference between their ages is 18 years, then find the age of the student.
The ratio of age of ‘B’ after 7 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 30% of th...
B is 4 years older than A and A is 7 years older than C. If the sum of the age of A and C is 25 years, then find the sum of the ages of all three.
In a classroom there are 13 boys and 11 girls. Average age of each boy and each girl is 23 years and 17 years respectively. The sum of ages of all the b...
After 4 years, the combined age of P and R will be 80 years. If their current age ratio is 7:5, find the age difference.
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...
The ratio of age of A and his son is 9:3. If the difference of their ages 6 years ago is 36, then find the sum of the ages of A and his son together 4 y...
The present ages of A and B are in the ratio 4:5. Sixteen years from now, B's age will be 15% more than A's age at that time. If C's current age is thre...
B is 4 years older than A and A is 8 years older than C. If the sum of the age of A and C is 22 years, then find the sum of the ages of all three.
The present age of A is 9/5 times to that of his marriage age. Present age of his brother is 1/2nd of his present age. If A was married 24 years ago the...
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