By solving equation 3(3x - 6) + 4(4x + 3) = 45x - 166, value of 'x' is
On solving equation 3 1/5b + 5 = 50, value of 'b' must be
If four times of certain number 'a' is ten more than thrice number then equation derived for this statement can be written as
Ratio between speeds of 2 trains is 5:3. If the first train runs 350 km in 2 hours, then what is the speed of the second train