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Initial sum of the ages of 9 children = 7 x 9 = 63 years Ages of the children leaving: 7 + 3 = 10 years, 7 + 2 = 9 years, and 7 + 4 = 11 years, Sum of the ages of the children leaving the group = 10 + 9 + 11 = 30 years Sum of the ages after three children left = 63 – 30 = 33 years Sum of the ages of 7 new children = (7 + 2) x 7 = 63 years Total sum of the ages with new children = 33 + 63 = 96 years Number of children now = 9 – 3 + 6 = 12 years New average age = 96/12 = 8 years
P + Q means ‘P is the brother of Q’, P - Q means ‘P is the daughter of Q’, P ÷ Q means ‘P is the husband of Q’, P × Q means ‘P is the so...
If A $ B means A is son of B, A # B means A is brother of B and A * B means A is father of B, then what does P # Q * R $ S mean?
If Q is the granddaughter of T, which of the following is false?
If ' Y $ I @ W, I # T % S, I % P' , then how is Y related to S?
( A $ B ) means A is father of B, ( A % B ) means A is brother of B, ( A @ B ) means A is wife of B. If K @ I $ J % G @ H $ F , then, which of the foll...
How is C related to V?
If A # B means ‘A is the father of B’, A $ B means ‘A is the brother of B’, A % B means ‘A is the son of B’, A & B means ‘A is the sister ...
If ' S # F % G, R $ N $ G, H % N, P $ S % T' is true, then which among the following statement/statements is/are correct?
Statements:
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If G @ H & I % J @ L ^ K then how is J related to H?