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Let speed of train B is ‘x’ km/h According to question; 195 × 10 = x × (16 + 10) Or, x = 1950/26 = 75 km/h Desired Distance = 75 × 4 = 300 km
The ratio of the present ages of P and Q is 6:5 respectively. If the age of P 12 years hence from now will be 100% more than the age of Q 4 years ago fr...
The age of person X (x + 1) years ago and the age of person Y (x + 2) years from now are in the ratio 1:2.
Additionally, it is given that:
X i...
If the total ages of A and B is 8 years more than the total age of B and C. C is how many years younger than A?
In a classroom there are 11 boys and 9 girls. Average age of each boy and each girl is 18 years and 15 years respectively. The sum of ages of all the bo...
There are 4 children in a family. The average age of the children is 9 years. If the present age of their mother and father is added, the average age of...
A person’s present age is 4/5th of the age of his brother. After 10 years, he will be 9/10th of the age of his brother. How old is the brother at pr...
A and B are two friends. 9 years hence, age of A will become 2.5 times the present age of B, and the age of B will become 30% less than the present age ...
Difference between the ages of A and B is same as the difference between the ages of B and C. The difference between the ages of A and C is 7 years. If ...
A is younger than B by 2 years. If the ratio of A and B ages is 5:7 respectively, then find the age of A.