Question
One five letter word is to be formed taking all letters
– U, Z, M, O and Q. What is the probability that this formed word will contain all vowels together?ÂSolution
Total words that can be formed is 5!= 120 Now, vowels together Take: Z M Q and UO. So, their arrangement is 4!× 2! = 48 So, required probability = 48/120=2/5
The average cost price of two items is Rs. 750. The first item is sold at a 15% profit, and the second item is sold at a 20% loss. Given that the combin...
An item is sold with a 20% loss. If the cost price is reduced by Rs. 8 and the selling price is raised by Rs. 20, a profit of 20%...
A shopkeeper purchased an article for Rs. ‘a’ and marked it 140% above its cost price and sold it after giving two successive discounts of 480 and 2...
Mohan sold two items at Rs. 9,100 each. On the first item, he made a profit of 30%, while on the second, he incurred a loss of 30%. Calculate the differ...
‘A’ and ‘B’ started a business by investing certain sum in the ratio 13:5, respectively for 6 years. If 10% of the total profit is donated in an...
Select the options that correctly indicate a 25% profit and a 15% loss
A shopkeeper bought two articles for Rs. 700 each. If he sold one of them at 40% profit and the other at 25% loss, then find the difference between the ...
The shopkeeper sold the earrings at the profit of 25% and the cost price of earrings is Rs.1500. He earns x% profit on bracelet costing Rs.1250. If the ...
- Neha bought a designer dress for Rs. 12,600 and later sold it to her friend for Rs. 14,112. How much profit percent did she make?
Two students appeared in an exam and one secured 16 marks more than the other. If marks of student who got more marks is 54% of the sum of the marks of ...
Relevant for Exams:
