Question
Three Marbles and three balls are kept in a box. If two
items are chosen at random, Find the probability that one is marble and another one is ball?Solution
Total probability = 6C2 = 15 Probability that one is marble and another one is ball = 3C1 × 3C1 = 9 probability = 9/15 = 3/5
The simple interest on a sum of money is 8/25 of the sum. If the rate of interest per annum is two times of the number of years in numerically. Find the...
- In Microsoft PowerPoint, which view is the primary mode for creating and editing presentations?
Let A = 2i + 3j, B = pi + 9j, and C = i – j.If points A, B, and C are collinear, then the value of p is:
If sin x + sin y = a and cos x + cos y = b, find sin(x + y):
A tap of type '5P' can completely fill a tank in 'P/2' hours, whereas a tap of type '2Q' can fill the same tank in '4Q/5' hours.<...
Evaluate the area under y = 2x + 1 between x = 0 and x = 3:
The profit earned by selling a shirt for ₹500 is equal to the loss incurred by selling it for ₹400. Find the cost price of the shirt.
The product of two positive integers is 121 times the product of one integer and the reciprocal of the other. If the sum of these...
In the figure, ABCD is a cyclic quadrilateral with O as center of the circle If ∠BOC = 136°, find ∠OBC.