A. 5% of (25% of 1600) is 50.
B. 0.15% of 33⅓% of 10,000 is 5.
C. If interest earned on ₹15,000 in 3 years at simple interest is ₹5400, then the rate of interest is 12%.
D. If x/3=y/4=z/5, then x : y : z = 2 : 3 : 7
Choose the correct answer from the options given below: