Three defective bulbs got mixed up with seven good ones. ...
Three defective bulbs got mixed up with seven good ones. If two bulbs are selected at random, what is the probability that both are good?
37
2150
715
49100
Correct answer is C
P(both bulbs are good)=710×69
= 715
Find the coordinates of the point in the curve y = 3x2 - 2x - 5 where the tangent is parallel t...
Solve 6 sin 2θ tan θ = 4, where 0º < θ < 90º ...
Find the minimum value of y=x2+6x−12....
If h(x)=x3−1x3, evaluate h(a)−h(1a)...
Find the coefficient of x4 in the binomial expansion of (1−2x)6....
If f(x)=2x2−3x−1, find the value of x for which f(x) is minimum....
A binary operation * is defined on the set of real numbers, R, by P * q = q2−p22pq...