Let the three numbers be A, B and C. Now, A:B = 2:5 & B:C = 7:9 A: B: C = 14:35:45 A+B+C = 188 14k + 35k + 45k = 188 94k = 188 k = 2 Second number = B = 35 x 2 = 70
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 28 seconds and 18 seconds respectively. It took 24...
If x and y are the roots of x2 + x + 3 = 0, then (x11 + y11)/(x-11 + y-11) is equal to:
Open, print and save button are all located on_____________
Manoj alone can complete 35% of a work alone in 7 days. Vipin is 20% less efficient than Manoj. Manoj and Vipin together started the work and left after...
If both the equations I and II given below are added, then find the product of roots of newly formed equation.
I: 3x2 + 9x + 5
...
A and B are the roots of equation x2 - 13x + k = 0. If A - B = 5, what is the value of k?
If the product of roots of equation x2 - 3(2p+4)x + (p2 - 24p + 145) = 0 is unity, then 'p' can take the values as
If the sum of the squares of the roots of p2 - (x-2)p - (x+1) = 0 is 5 then what is the value of x.
A person travelled a distance of 190 km in 5 hours. He travelled partly on a car at the speed of 70 kmph and partly on cycle at 30 kmph. What is the dis...
