A train takes 18 seconds to pass through a platform 162 m long and 15 seconds to pass another platform 120 m long. The length of the train in meter is

Simple Interest received by a person in 10 years on a principal. of the Rs. 9500 is 130% of the principal. What is the rate of interest (in %) per annum? 

Nihal walks with 12 km/h after every km, he takes the rest for 12 min after every kilometer. How much time will he take to cover 36 km distance.

200 meter long train crosses a bridge with the speed of 54 km/hrs. in 30 sec. Find the length of bridge?

Ratio between speed of boat in still water to speed of stream is 7 : 2. If 126 km is travelled downstream in 3.5 hours then find the difference between speed of boat in still water to speed of stream(in kmph)?

Two trains are moving in the same direction at speed of 54 km/h and 92 km/h, their lengths are 400 m and 360 m respectively. What is the time taken (in seconds) by faster train to cross the slower train?

Compared to the month of January, what is the percentage of decrease in accidents in the month of February?

The sum of 17 consecutive numbers is 289. The sum of another 10 consecutive numbers, whose first term is 5 more than the average of the first set of consecutive numbers is: