Two goods trains 132 m and 108 m in length are running towards each other on parallel tracks. The first train is running at a speed of 32 km/h and the second at a speed of 40 km/h. How much time will they take to cross each other after meeting?
12 s
The time taken to cross each other can be calculated using the relative speed and total length of the trains.
Important Questions from Mathematics
What is the equation of other diagonal ?
A man buys 10 kg of wheat at a rate of ₹26/kg. The wheat is mixed with 6 kg of other good quality of wheat to get a mixture at a price of ₹35/kg. The price of good quality wheat per kg (in ₹) is:
On dividing a number by 55, we get 28 as the remainder. On dividing the same number by 11, what is the remainder?
If the mean proportional between p and q is 12, then the possible values of p and q, respectively, are:
The general equation of second degree ax2 + 2hxy + by2 + 2gx + 2fy + c = 0 represents hyperbola if
