Find the fourth proportion of (5k + 5), (10k + 10) and (15k + 15). (Note: 'k' is the smallest prime number.)
If P: Q = 4: 5 and Q: R = 5: 7, then find the value of (P + Q): (Q + R): (R + P).
Find the third proportional to 13 and 52?
The income of ‘X’ is 20% more than the income of ‘Y’. If the ratio of their expenditure is 5:4 and each saves Rs. 2000, then find the income of...
What must be added to each term of the ratio 4:9 so that it may equal to 3:4?
The ratio of the weights of Arjun, Ravi, and Sameer is 7:6:5 respectively. The weight of Karan is 9 kg less than the weight of Arjun. If the difference ...
In a class of 455 students, 255 are girls and remaining are boys. Among boys, the ratio of number of boys who are wearing caps to those who are not wear...
In a company with 800 employees, the average age of male employees is 42 years and that of female employees is 41 years. If the average age of all the e...
The ratio of number of boys to number of girls of a class was 2:5. If 4 girls were absent, the ratio becomes 3:7. Find total number of students in the c...
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 ...
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