Q. Two trains in the same direction at 50 & 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes him. What is the length of faster train?
Q. A car is journied a certain distance in 7 hrs in forward journey in the return journey increased speed 12km/hr takes the times 5 hrs. what is the distance
Q. The ratio of no. of boys & girls in a school is 3:2 Out of these % the boys & 25% of girls are scholarship holders. % of students who are not scholarship holders.?
Language is remarkable, except under the extreme constraints of mathematics and logic, it never can talk only about what it's supposed to talk about but is always spreading around.
Raju Sharma
THROUGH SCIENCE WE DEVELOPED, AND MATHEMATICS IS THE MOTHER OF THE SCIENCE.