Question
Ratio of number of boys to girls in a school is 4:7 respectively. Next year, 40 boys and 70 girls left the school and 120 boys and 140 girls joined the school. If ratio becomes 3:5, then find number of boys now.
More Ratio and proportion Questions
- Abdul allocates 90% of his income among his wife, son, and daughter in the ratio of 5:2:1, while saving the remaining amount, which totals Rs. 4,000. From ...
- $15000 was split between P, Q and R in the proportion of 6:9:15.Q kept $1400 for herself, gave $600 to her grandma and shared the remainder between her two...
- Consider two positive numbers that have a ratio of 5:7. If the combined total of their squares equals 1184, determine the sum of these two numbers.
- Monthly savings of ‘Q’ is 25% more than that of ‘P’ and is 48% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 3450 and ratio of monthly...
- If the third proportion of 27 and 36 is “0.5k”, then find the value of (k − 36) : (k + 12).
- Marks scored by A and B in a test are in the ratio 12:5 respectively. If B had scored 5 more marks, then marks scored by A would be 20% more than that of B...
- Divide ₹720 among A, B and C in the ratio 5 : 7 : 12.
- Find the third proportional to 14 and 70?
- The ratio of the monthly incomes of Dinesh, Nikhil and Rohan is 64:73:81. If Dinesh’s annual income is 10,496, what is Rohan’s annu...
- Determine the fourth proportional to the numbers 12, 7, and 36.
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt