Start learning 50% faster. Sign in now
The average mark obtained by 130 candidates in a certain examination is 40. If the average marks of passed candidates are 45 and that of the failed cand...
The current ages of Anoop and Bhuvan are in the ratio of 5:8. In 8 years, Bhuvan's age will be 60% greater than Anoop's age in 5 years. Determine the cu...
The average age of three children is 15 years. If their ages are in the ratio 2:3:4. Find the age of the youngest child.
Average weight of 12 nurses is 35 kg. If the weight of one more nurse is included, then average weight is increased by 2 kg. Find the weight of the newl...
Out of 6 numbers, the average of first 5 is 19 and last 5 is 20. If the last number is 21. Find the first number?
The average age of X, Y, and Z is 25 years, and the average age of X and Y was 19.5 years at the time of Z's birth. If X is now 30 years old, determine ...
The average mark obtained by Khushi in four papers was 51, and in the fifth paper, she obtained 56 marks. Find his new average in all five papers.
The average age of a class of 25 girls is 16 years. If 5 new girls having average age of 10 years join the class, then the average age of the class beco...
There are only 220 students living in hostel. If 20 students left hostel, then overall expenditure of mess is reduced by Rs. 800 weekly but per student ...