in this the 5th problem please solve it and send me the answer right now
in this the 5th problem please solve it and send me the answer right now
one bag contains 3 red and 5 black balls. Another bag contain 6 red and 4 black balls . A ball is transferred from first bag to the second bag and then a ball is drawn from the second bag. Find the probability that the ball drawn is red
यदि बिंदुओ A,B,C और D के निदॆशांक कृमशः (1,2,3),(4,5,7),(-4,3,-6)और(2,9,2)है तो ABऔर CDरेखाओ के बीच का कोण ज्ञात कीजिए ।