If three children are born in a family, calculate the probability that all children are girls by drawing a tree diagram.

SUBSCRIBE TO OUR NEWSLETTER
You May Also Like
After 10% deviation of Nepali money, $2000 can be exchanged by Rs. 231000. Find the initial exchange rate. Soln: ...
Find the value of x. Soln: ...
Q. In the given triangle ABC, AD is perpendicular to BC, and CE is perpendicular to AB. Prove that angle BDE = angle BAC. Soln: i) ACDE is a cyclic quadrilateral. i) ÐAEC = ÐADC = 90 degree (Angles in the same segment of a circle ...
In a cirlce having radius 7 cm, a tangent 25 cm far from the centre is drawn. What is the length of tangent? Find it. Soln: use pythagoras theorem in triangle AOB (h^2 = p^2 + b^2) OB^2 = OA^2 + AB^2 AB^2=25^2-7^2=576 AB=24 ...
Gita can do a piece of work in 3 days which can done by sita in 4 days .if sita can do a piece of work in 5 days which can done by rita in 6 days ,,in how many dayd will gita can do a work can be done by rita 16days? ...