Question
Answer the questions based on the information given
below. There are seven persons P, Q, R, S, A, B and C in a family of three generations. There are only two married couples in the family. A is the sister-in-law of S. P is the father of C. C is the uncle of R. S is the paternal aunt of B. Q is the son-in-law of A, who is not in the second generation. How many male members are there in the family?Solution
A sum of money becomes ₹5,600 in 4 years and ₹6,400 in 8 years at simple interest. Find the rate of interest per annum.
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