Get Started with ixamBee
Start learning 50% faster. Sign in now
Total time difference = 3 hrs. According to the question, D/8 + D/10 = 3 5D – 4D = 3 × 40 D = 120 km Alternate method: Distance = Time gap× product of speeds/ gap of speed = 3 hrs×8×10/(10-8) = 3 hrs ×8×10/2 = 120 Km
The average age of a man and his two children is 15 years and the average age of man's wife and the same children is 13 years. If the age of man is 31 y...
A lad was asked his age by his friend. The lad said “The number you get when you subtract 25 times my age from twice the square of my age will be thri...
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...
8 years ago from now, ratio of ages of ‘R’ and ‘L’ was 3:5, respectively. If ‘L’ is 7 years elder to ‘R’, then what will be the age of â...
The edge length of a regular tetrahedron is 10 cm. What is its volume?
The ratio of the present ages of father and his son is 5:2. The product of their ages 4 years ago was 31 times of his son’s age that year. What wa...
The ratio of age of Rahul 7 years ago to the age of Neha 7 years hence is 3:4. If the average of their present ages is 35 years, what is the difference ...
The ratio of the present ages of Ginni and Binni is 9:2 respectively. Ginni is ‘n’ years older than Binni. If after 5 years, the ratio of the ages o...
The present age of Preeti is twice Ruchi’s present age. Six years ago, their average age was 15 years. What will be the Preeti’s age after f...
The ages of A, B and C together are 54 years. B is twice as old as A and C is 6 years older than A. What is the difference between ages of B and C?
