If x, y, z are three sums of money such that y is the simple interest…

Question

If x, y, z are three sums of money such that y is the simple interest on x, z is the simple interest on y for the same time and at the same rate of interest, then we have.

Accepted Answer

Option B. y 2 = xz. Answer & Solution Answer: Option B Solution: Let time be T years and rate be R% p.a. & Then, y is the S .I . on x & x RT100 = y......(i) & And, z is the S .I . on y & y RT100 = z & y = 100zRT......(ii) & From (i) and (ii) we have: & x RT100 = 100z RT & x R^2 T^2 ( 100 )^2 = z &…