Divakaran borrowed a sum of Rs.50000at 10% p. a.for 3 years compounded annually. At the end of the time period he cleared the loan by giving an amount of Rs.22000 and a gold bracelet. Find the cost of the gold bracelet.​

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)