Question
The average age of a class of 24 girls is 16 years. If 6
new girls having average age of 12 years join the class, then the average age of the class becomes:Solution
Total age of 24 girls = 24 × 16 = 384 years Total age of 30 girls = 384 + (6 × 12) = 456 years Therefore new average age = 456/30 = 15.2 years
'A @ B' means 'A is the father of B'. 'A & B' means 'A is the son of B'. 'A β B' means 'A is the daughter of B'. 'A # B' means 'A is married to B'. 'A ...
If J * K $ L % M @ N % Q is true then how is J related to Q?
How is S related to Q in the expression “P – Q % R X S?
If M is the brother in law of father in law of Q, then which of the following expression is true?
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?
- Answer the following question based on the direction given below.
If 'A $ B' means 'A is the father of B'
'A @ B' means 'A is the brother o... ( 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 follo...
If expression ‘R % T $ S # U $ V’ is true, then how is wife of V related to T’s mother?
How is P related to O?
Which of the following expression represents “B is aunt of D?
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