A researcher has to consult a recently published book. The probability of it being available is 0.5 for library A and 0.7 for library B. Assuming the two events to be statistically independent, what is the probability of the book being available in library A and not available in library B?
22% of ‘x’ is equal to 66% of ‘y’, then find the value of x: y.
If 1/(x+ 1/(y+ 1/z)) = 13/30, then find x+y+z= ?
If x + y + z = 10 and x² + y² + z² = 36, then what is the value of x y + y z + z x?
In Δ ABC, ∠ B= 68° and ∠ C 32°. Sides AB and AC are produced to points D and E, respectively. The bisectors of ∠ DBC and...
If x6 + 1 – √3x3 = 0 then x108 + x90 + 15?
125 sweets were distributed equally among children in such a way that the number of sweets received by each child is 20% of the total number of children...