Three positive numbers are in the ratio 2:3:4. The sum of their squares is 2349. What is the average of the largest and the second largest number?
The ratio of the number of girls to the number of boys in a school of 720 students is 3 : 5. If 18 boys left the school, find how many new girls ...
If 'S' is the prime number 5, then find the fourth proportion of (S + 3), (S - 1) and (S + 7).
An integer 'p' is added to each of 6, 14, 22 and 34 so that the resulting numbers will be in proportion in given order only. Find the value of '(p + 4)'...
If 3 kg of metal, of which 1/4 is aluminium and the rest is magnesium, be mixed with 5 kg of metal, of which 1/3 is aluminium and the rest is magnesium,...
In an institute, the average score on an IBACIO Scholarship test for 52 aspirants is 51. Excluding the scores of the top 5 performers, the average score...
Divide ₹2,800 into three parts in the ratio of 2 : 3 : 5 such that the difference between the largest and smallest part is added to the middle part. W...
A shopkeeper sold three types of books i.e. fiction, non-fiction, and comics. Number of fiction books sold is 25% of the total number of books sold and ...
The ratio of two numbers is 4:5. If each number is decreased by 4, the ratio becomes 7:9. Find the smaller numbers.
In 2018, the ratio of males to females in a club was 6:7. By 2019, the number of males had decreased by 10%, while the number of females had increased b...
