Question
36 pens are there in a box where 12 are red pens,
‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blue pen is 0.25. Find the ratio of the number of blue pens and black pens.Solution
Probability of getting a blue pen , => p/36 = 1/4 => p = 9 So, number of black pens = 36 – 12 – 9 = 15 Required ratio = 9 : 15 = 3:5
The environment impact assessment consists of a mimber of steps with each step equally important in determining the overall performance of the project. ...
Where are the headquarters of RBI located?
In which year was the Khalsa tradition initiated?
Which was the largest of the numerous native states before independence?
When the branch of a tree is shaken violently, the leaves fall. This happening can be explained by:Â
A government budget shows a primary deficit of ₹6,900 crore. The revenue expenditure on interest payment is ₹400 crore. Fiscal deficit is equal to:
The Bara Imambara in Lucknow was built in the year 1784 by ________.
Which of the following is the Largest Cricket Stadium in the world?
Who was the first Indian to become a Nobel Laureate?
ASBA is an application containing an authorization to Self-Certified Syndicate Bank. What does B stand for in ASBA?
Relevant for Exams:
