Q1If a:b = 3:4 and b:c = 6:7, then a:c is:

Q2The mean proportional between 4 and 9 is:

Q3Who first rigorously defined proportion theory?

Q4Divide ₹720 in the ratio 3:5. The larger share is:

Q5If y varies inversely as x, and y=6 when x=4, find y when x=12:

Q6If 5 kg of rice costs ₹400, the cost of 8 kg at the same rate is:

Q7Profit shared 3 : 5 between A and B. If total profit is ₹40,000, A receives:

Q8In what ratio must rice at ₹40/kg be mixed with rice at ₹60/kg to get a mixture worth ₹52/kg?

Q9A and B start a business with ₹6000 and ₹8000 for 5 and 6 months respectively. Profit ratio = ?

Q10A 60-litre mixture is 80% milk. How much water to add to make it 60% milk?