Question
The compound of a metal found in nature is
called:Solution
The elements or compounds of the metals which occur in nature in the earth crust are called minerals. Minerals are substances that are formed naturally in the Earth.
The present ages of a father and son are in the ratio 7 : 2 . After 6 years , the father’s age will be 3 times  the son’s age. What is the fa...
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The ratio of A’s age to B’s age is 2 : 3. If 6 years are subtracted from each of their ages, the new ratio becomes 3 : 5. Find B'spresent age.
The present age of Surjeet and Rakesh are in the ratio of 4:5. After 8 years the ratio of their ages will be 6:7. What is 70% of the sum of their presen...
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