In how many ways 4 students of standard 2, 3 students of standard 3 and 5 students of standard 1 can stand in a row such that students of same standard are always together.
A box contains 2 green, 3 red and 5 black balls, one ball is picked up randomly. What is the probability that it is neither red nor black?
Find the number of different 9 letter arrangements that can be made from the letters of the word BENGALURU so that all vowels come together.
In how many ways can the letters of word “WORKBOOK” be arranged so that the vowels are always together?
A man sells his goods at 10% profit. If he purchased it for ₹ 500 Loss and sold it for ₹ 500 Loss, he would have gained 10% more profit. Find the initial cost price.
Amit and Bhuvan made a total profit of ₹ 8250. They decided to share it such that of Amit’s profit is equal to of Bhuvan’s profit. Find the profit of Bhuvan.
Ayush sold his bicycle at 20% loss. If he purchased it for 10% less and sold it for ₹ 60 more, he would have faced loss of % only. Find the initial C.P.
Find the number of permutations of the letters of the word HYDERABAD.
Find the number of ways in which the word ”EDUCATIONAL” can be arranged such that no two vowels are together.
A shopkeeper promises to sell his goods at 30% loss but he uses 10% less weight. Find his actual loss%.
Three dice are thrown simultaneously. Find the probability that all of them show the same face.
If , find x.
Anupma and Tapsi are students of class 7. Two sections of 20 students and 30 students are formed out of 50 students of that class. What is the probability that Anupma and Tapsi both enter the same section?
If Two dice are rolled simultaneously, find the probability of getting an odd number when the two numbers that appear on the dice are multiplied, provided the sample contains only unique numbers.
By what fraction the selling price must be multiplied to get the cost price, if gain is 25%?
