Question
Read the following information carefully and answer the
following question: All members of family P, Q, R, S, T, U are having dinner together. Q is the son of R but R is not the mother of Q. P is married to R. T is the younger brother of R. S is daughter of P and U is elder sister of Q. How many children does R have?Solution
Q is R’s son, so Q is a child of R. U is the elder sister of Q, so U is also a child of R. S is the daughter of P. Since P is married to R, S is also R’s child. Thus R has Q, U and S → 3 children.
If {p2 + (2p2/5)} = 14p , p ≠0, then find the value of {p2 + (10/p) - 1}.
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The number of present boys to girls is in the ratio 2:1. If 15 girls are absent and they form 25% of the total class, and no boy is absent, then find th...
Find the range of the given data:
65, 85, 45, 20, 35, 90, 100, 60, 55
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Two numbers differ by 5 and their sum is 55. Find them.
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After swapping its digits, a two-digit number becomes 17 less than 200% of the original number. The sum of the digits is 8. Find the original number.
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