Get Started with ixamBee
Start learning 50% faster. Sign in now
When two trains cross each other, they cover distance equal to the sum of their lengths with relative speed. Let's take length of each train = x So, total length of both trains = 2x Relative speed = (100 – 64) × (5/18) = 10 m/sec. ∴ Total length = Time × Relative speed ⇒ 2x = (20 × 10) ⇒ x = 100 m
A’s age is 140% of what he was 2 years ago, But 70% of what it will be after 2 years. What is his present age?
A 15-member group has two individuals aged 18 and 23. When excluded, the average age of the rest increases by 3 years. Find the average age of all members.
Currently, the ages of 'P' and 'Q' are in the ratio of 4:9. 'Y' years in the past, the ratio of their ages was 1:3. Three years from now, 'P' will be ha...
Ten years ago, the average age of five employees was 35 years. The present average age is 45 years after the inclusion of two new employees. Find the pr...
The sum of present ages of ‘Rahul’ and ‘Sneha’ is 48 years. The present age of ‘Sneha’ is half the age of ‘Tanya’ 4 years hence. If the ...
A man is 6 times as old as his daughter. After 4 years, he will be 4 times as old as she will be. After how many more years will the man be 3 times as o...
The average age of 26 smdents in a class is 15 years. If teacher's age is included in it, then the average will increase by one. What is the teacher's a...
