The C.I on a sum of Rs. 6400 becomes Rs. 1276.5625 in 9 months. Find the rate of interest, if the rate of interest is compounded quarterly?
P = Rs 6400 T = 9 months = 3/4 years C.I = Rs 1276.5625 Amount = C.I + P Amount = 6400 + 1276.5625 Amount = Rs 7676.5625 A = P`(1+r/(4xx100))` 4t 7676.5625 = 6400`(1+r/400)^(4xx3/4)` `76765625/64000000` =`(1+r/400)` 3 `614125/512000` = `((400+r)/400)` 3 `(85/80)^3` = `((400+r)/400)` 3 `85/80` =`(400+r)/400` 85 × 5 = 400 + r r = 425 – 400 r = 25% p.a
Statement: M > N < P = Q ≥ R; Q ≥ T
Conclusion:
1. R≥T
2. N < T
...Statements: L $ W, W * H, H # T, P % T
Conclusions: Â Â Â Â Â I. T @ L Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â II. H % LÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â...
Statements: S > P = N ≤ L, O = L > U, U ≥ W > V ≥ U = T
Conclusions:
I. N ≤ W
II. L > T
III. S > T
Statement: G ≤ L ≥ O ≥ W ≥ I < N
Conclusion: I. I < LÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â II. L = I
...Statements: U = R < M < Q < P; A > B > E < R < T; I < N = B > U > X
Conclusions:
I.  P ≤ U
II. Â T > A
...Statements: E = L ≤ G < I = H; E ≥ N < A; W ≥ P ≥ M > I
Conclusions:
I. E < W
II. A ≥ M
III. N < P
Statements: A ≥ B ≥ Y = Z = M ≥ N ≤ E ≤ F = J
Conclusions:
I. F > Z
II. J ≤ Y
Statements: D ≥ G > N < Q > T = W
Conclusions:
I. D < N
II. W = N
Statements:Â Â Â Â Â Â Â A # B # O $ P & Q % R % Z
Conclusions :Â Â Â Â Â I. Q @ ZÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â II. Q & ZÂ Â Â Â Â Â Â Â Â Â Â...
Statements :Â Â Â Â Â Â T @ V % Z #Â C & B $ S # E; W $ C @ Z
Conclusions :Â Â Â Â Â I. E @ ZÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â II. S # WÂ Â...