" (ii) "4" and "5

The multiplicative inverse of 4/(-5) is (a) -4/5 (b) 5/4 (c) 5/(-4) (d) (-5)/(-4)

The quadratic polynomial whose zeroes are 4+sqrt(5) and 4-sqrt(5) is ………….

If the mode of the observations 5, 4, 4, 3, 5, x, 3, 4, 3, 5, 4, 3 amd 5 is 3, then find the median of the observations.

The probability that a student is not a swimmer is 1/5 . Then the probability that out of five students, four are swimmers is (A) ^5C_4""(4/5)^4""1/5 (B) (4/5)^4""1/5 (C) ^5C_1 1/5(4/5)^4 (D) None of these

The probability that a student is not a swimmer is 1/5 . Then the probability that out of five students, four are swimmers is (A) ^5C_4""(4/5)^4""1/5 (B) (4/5)^4""1/5 (C) ^5C_1 1/5(4/5)^4 (D) None of these

The probability that a student is not a swimmer is 1/5 . Then the probability that out of five students, four are swimmers is (A) ""^5C_4""(4/5)^4""1/5 (B) (4/5)^4""1/5 (C) ""^5C_1 1/5(4/5)^4"" (D) None of these

The probability that a student is not a swimmer is 1/5 . Then the probability that out of five students, four are swimmers is (A) ^5C_4""(4/5)^4""1/5 (B) (4/5)^4""1/5 (C) ^5C_1 1/5(4/5)^4 (D) None of these