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Copper holds the distinction of being the first metal used by humans, dating back over 10,000 years. A copper pendant found in northern Iraq, dated around 8700 B.C., underscores copper's longstanding utility in human civilization. For nearly five millennia, it was the only metal known and used for various applications.
A is 2 years older than B while C is 3 years younger than B. The ratio of age of A, 6 years hence and age of B, 5 years ago is 5:4. What was age of C, 1...
The ratio of age of ‘B’ after 6 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 40% of th...
The combined current ages of 'Pawan' and 'Bheem' add up to 36 years. 'Bheem's current age is half of what 'Ram's age will be 6 years from now. If 'Ram's...
A lad was asked his age by his friend. The lad said “The number you get when you subtract 25 times my age from twice the square of my age wi...
The average age of three children in a family is 25% of the average of the age of father and the eldest child. The total age of the mother and the young...
A person’s present age is 4/5th of the age of his brother. After 10 years, he will be 9/10th of the age of his brother. How old is the brother at pr...
Three years ago, 'B' was twice as old as 'A'. In three more years, 'B' will be 60% older than 'A'. What is 'A's current age?
The current age ratio of 'Ganesh', 'Hitesh', and 'Indira' is 5:7:6. In 8 years, the ratio of the ages of 'Ganesh' and 'Hitesh' wi...
The average age of a man and his two children is 15 years and the average age of man's wife and the same children is 13 years. If the age of man is 31 y...