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ATQ, Let the sum invested in two schemes be Rs. 'P'. Let the rate of interest be 'r%', per annum. We know that, simple interest received at the end of each year of investment is equal. Simple interest received at the end of first year = Simple interest received at the end of second year = (1800/2) = Rs. 900 Also, simple interest and compound interest received at the end of first year are equal. So, simple interest received at the end of first year = Compound interest received at the end of first year = Rs. 900 Compound interest received in the second year = 1980 - 900 = Rs. 1080 So, we can say that a sum of Rs. 900 amounts to Rs. 1080 at the end of a year at the given rate of interest. Compound interest received for 1 year = Simple interest received for 1 year Simple interest = Principal X (Rate/100) X Time 900 X (r/100) X 1 = 1080 - 900 So, r = 180 X (5/18) = 10 Therefore, rate of interest = r = 20%
Statements: P % Q, Q & R, R $ S, S # Z
Conclusions:
I. P & R
II. R # Z
Statement: X > W = P; X > G > F; X < O
Conclusion: I. F < W II. P ≤ F
Statement: F ≥ I ≥ S ≥ H ≥ Y
Conclusion: I. H ≤ F II. Y ≤ I
...Statement: K > L; O < P ≤ M; O ≥ N > L
Conclusion: I. O ≥ K II. L < M.
Statement: J > K; N < O ≤ L; N ≥ M > K
Conclusion:
I. N ≥ J
II. K < L
Statements: D > E ≥ F ≥ G; H < I = G > J
Conclusions: I. J > E II. G < D
...Which of the following set of elements should be placed in the place of question marks respectively (in same order from left to right) in order to compl...
Statements: Q > W > X; J > W; Z < X < P
Conclusions:
I. P > Z
II. J > Q
III. W < P
Statements: P ≥ U ≥ Y > T ≤ Q = V > R > S < W
Conclusion
I: Q > S
II: T ≤ P
Statements : T ≥ W > X; Q = J < X; Q < O ≥ D
Conclusions :
I. J < W
II. O > W
III. D > J
...