Ratio & Proportion:
Q: Find the ratio of 2 hours to 90 minutes.
Answer: 120:90=4:3Q: Simplify the ratio 36 : 48.
Answer: 36/12:48/12=3:4Q: If A : B = 2 : 3, then A/B = ?
Answer: 2/3Q: Express 50 paise as a ratio of ₹2.
Answer: 0.50:2=1:4Q: Divide ₹600 in the ratio 2 : 3.
Answer: ₹240 and ₹360Q: If A : B = 3 : 5 and B : C = 2 : 7, find A : B : C.
Answer: 6:10:35Q: A : B = 4 : 7. If A = 20, find B.
Answer: B=35Q: The ratio of boys to girls in a class is 5 : 3. If there are 40 students, how many are boys?
Answer: 25Q: If 2 : x = 5 : 10, find x.
Answer: x=4Q: A sum of ₹720 is divided among A, B, C in the ratio 2 : 3 : 4. Find C’s share.
Answer: ₹320Q: The ratio of milk to water in a mixture is 7 : 3. If the mixture is 20 liters, find the quantity of milk.
Answer: 14 litersQ: A recipe requires ingredients in the ratio 2 : 5. If 10 kg of the second ingredient is used, how much of the first is needed?
Answer: 4 kgQ: A : B = 3 : 4. If A + B = 56, find A and B.
Answer: A = 24, B = 32Q: The ratio of ages of A and B is 5 : 7. If A is 25 years old, find B’s age.
Answer: 35 yearsQ: Divide ₹900 among P, Q, R in the ratio 1 : 2 : 3.
Answer: ₹150, ₹300, ₹450Q: If A : B = 2 : 3 and B : C = 4 : 5, find A : B : C.
Answer: 8:12:15Q: The ratio of income to expenditure of a person is 7 : 5. If his savings are ₹600, find his income.
Answer: ₹2100Q: A : B = 5 : 6. If A = 25, find B.
Answer: 30Q: If A : B = 7 : 9 and B : C = 3 : 4, find A : B : C.
Answer: 21:27:36Q: The ratio of speed of two cars is 3 : 4. If the first car covers 120 km in 2 hours, find the speed of the second car.
Answer: 80 km/h