Question
Mohini's Biology test had 250 questions
Mohini's Biology test had 250 questions
i.e., 20 Macromolecules, 60 Homeostasis and 70 Immunology questions. Although she answered 70% of the Macromolecules, 40% of the Homeostasis and 60% of the Immunology questions correctly, but did not pass the test. How many more question she would have needed to answer correctly to earn a 60% passing grade?
More Ratio Questions
- A sum of Rs. 2,100 is distributed among three persons P, Q, and R in the ratio 3:2:5. If the same sum had been distributed in the ratio 5:2:3, then how muc...
- In what proportion must a grocer mix sugar at Rs.12 a kg and Rs.7 a kg so as to make a mixture worth Rs.8 a kg ?
- In a group of 800 participants planning a community event, some opted for the role of organizers in a Science Fair, while others chose to organize a Talent...
- The daily wages of A, B and C are in the ratio 4 : 5 : 7. If the total wages of all three in a day is Rs 640, find the wages of each.
- A sum of Rs. 12600 is divided among A, B and C such that A : B = 2 : 3 and B : C = 4 : 5. What is C’s share?
- The ratio of the number of fiction to non-fiction books in a library is 4:7. If 16 more books of each type are added, the ratio becomes 8:13. Find the numb...
- Salaries of A and B are in the ratio 5 : 7. If A’s salary increases by 20% and B’s salary decreases by 10%, what is the new ratio?
- By mistake, instead of dividing Rs. 564 among P, Q and R in the ratio 1/3 : 1/4 : 1/5 it was divided in the ratio of 3 : 4 : 5. Who gains the most and by h...
- There are a total of 168 candies of three different flavours in a jar. The ratio of chocolate candies to strawberry candies is 4:5, and the ratio of chocol...
- Two partners, X and Y, invested in a business in the ratio of 5:8. After 5 months, X increased his capital by 25%, and 2 months later, he increased it agai...
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)