Total Questions: 80
x = 80
माना कि पहली ट्रेन की गति = x
7/8 = x/100
⇒ x = 87.5 किमी./घं.
= 1/2 * (11 + 5) = 8 किमी./घं.
0.2 = b
a * a* a + b * b * b/ 2(a * a * a) + 2(b * b * b)
= 1/2 * [1] = 1/2 = 0.5