1. Ram is 8 years now he is 5 years elder than his brother Gopal. Gopal ` s ago after 7 years will be and solve 2. the sum of two consecutive multiples of 5 is 55 the two multiples are and solve​

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244