Question
The ratio of the number of girls to the number of boys in a school of 990 students is 2 : 7. If 20 boys left the school, find how many new girls may be admitted so that the ratio of number of girls to the number of boys may change to 3 : 5.
The number of girls in the school = More Ratio and proportion Questions
- The ratio of P :Q is 3 : 5 and that of Q : R is 4 : 7. If P equals 2400, then what is the value of R?
- If ‘A’, ‘B’ and ‘C’ are in proportion in the given order while ‘A’ = 20 and ‘B’ = 40, then find the value of ‘C’.
- The ages of A, B and C are in the ratio of 4:3:6 respectively. If the sum of their ages is 65 years, then find the age of B.
- If the mean proportion of 6.25 and 0.64 is 'k', then find the value of '2k'.
- A sum of Rs. 12,600 was to be divided among 3 friends namely 'P', 'Q' and 'R' in the ratio 1/2 : 1/3 : 1/6, respectively. But due to a miscalculation, it w...
- Two numbers are in the ratio 8:5. After adding 4 and 7 to them respectively the ratio becomes 2:3. Find the bigger number.
- What is the ratio whose terms differ by 40 and the measure of which is 3/5?
- Three numbers ‘P’, ‘Q’ and ‘R’ are such that ‘P’ is 25% more than ‘Q’ and ‘R’ is equal to the average of ‘P’ and ‘Q’. If the sum of these three numbers is ...
- A boy is supposed to distribute Rs.2400 among his three friends P, Q and R in the ratio of 4:3:5 respectively, but mistakenly he distributed in the ratio o...
- Question 10
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
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)