JEE Main & Advanced
JEE Main Paper Phase-I (Held on 07-1-2020 Evening)
question_answer
If the mean and variance of eight numbers 3, 7, 9, 12, 13, 20, x and y be 10 and 25 respectively, then x.y is equal to __________. [JEE MAIN Held on 07-01-2020 Evening]