On a highway two places A and B are 120 km apart. A car from A and a second car from B start at the same time. If the cars travel in the same direction at different speeds, they meet in 6 hours, however if they travel towards each other, then they meet in 1 hour 20 minutes. What are their speeds? 1 December 202025 February 2019 by Class of AchieversRead more
If the mth term of A.P. be 1/n and its nth term be 1/m, then show that its (mn)th term is 1. 4 September 201910 February 2019 by Class of AchieversRead more
Find the value of 1/a+b+x = 1/a+1/b+1/x 20 February 20214 February 2019 by Class of Achievers Read more
If sin theta = 4/5 , find the value of 4tan theta -5 cos theta/ sec theta plus 4 cot theta. 30 December 202030 January 2019 by Class of AchieversRead more