Question
A is trying to break a bulb by throwing balls at it. If
he hits the bulb 5 times in every 7 throws and bulb breaks 3 times out of 15 hits, then find the probability of A breaking the bulb.Solution
Probability of A hitting the bulb = 5/7 Probability of the bulb being broke on getting hit = 3/15 = 1/5 Probability of A breaking the bulb = (5/7) × (1/5) = 1/7
Statements:
Only a few House are Flats.
Only Room are Root.
No Flat is Kitchen.
Conclusion
I) Some House are Root is ...
___ is the Team Leader.
How many people have birthdays before S?
- Five persons S, T, U, V, and W, live on five different floors of a building such that bottommost floor is numbered as 1, the floor immediately above it is ...
Four of the following five are alike in a certain way and form a group. Which of the following does not belong to the group?
Which of the following boxes is numbered 331?
On which floor does H live?
How many boxes are there between Y and X?
Who sits third to the left of the person who study Chemistry?
What is the age of the person who works for Hdfc?