Mathematics
Assertion (A) : Lower quartile for the data 9, 11, 15, 19, 17, 13, 7 is 9. Reason (R) : For finding quartiles, the given data are arranged in descending order of their magnitudes, then lower quartile (Q1) = (n/4)^th term or (n ÷ 1/4)^th term , depending whether n is even or odd. 1. A is true, R is false. 2. A is false, R is true. 3. Both A and R are true. 4. Both A and R are false.
Related Questions
Assertion (A) : Multiplicative inverse of (sec θ - tan θ) is (sec θ + tan θ).
Reason (R) : sec2 θ - tan2 θ = 1.
A is true, R is false.
A is false, R is true.
Both A and R are true.
Both A and R are false.
Assertion (A) : The mean age of nine boys is 28 years. If one new boy joins them, new mean age becomes 29 years. The age of new boy is (29 - 28) × 10 years.
Reason (R) : The age of new boy is 29 × 10 - 28 × 9 years.
A is true, R is false.
A is false, R is true.
Both A and R are true.
Both A and R are false.
Assertion (A) : In tossing two dice simultaneously, n(S) = 36, where S is sample space.
Reason (R) : If a die is tossed n times or n dice are tossed simultaneously, the number of all possible outcomes = 2n.
A is true, R is false.
A is false, R is true.
Both A and R are true.
Both A and R are false.