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The U.S. Department of Energy recently discovered the world’s largest Lithium reserve beneath California’s Salton Sea. It is a shallow, saline lake located in the lower Colorado Desert, southern California, USA.  It is a geological depression tucked between mountain ranges and lying below sea level. The area that is now the lake was formerly a salt-covered sink or depression (a remnant of prehistoric Lake Cahuilla) about 280 feet (85 metres) below sea level until 1905–06, when diversion controls on the Colorado River broke a few miles below the California-Mexico border and floodwaters rushed northward, filling the depression.
The ratio of A and B present age is 5:3. The product of their ages is 1500. What will be the ratio of their ages after 2 years?
A trader bought an article for Rs. 1200 and marked it 25% above of its cost price. If he sold it after giving a discount of Rs. 60 then find the profit ...
Four years ago, the combined ages of Linda and Joan was 56 years. Four years hence, the ratio of their ages will be 4:5. Find the current age of Linda.
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 ...
If the sum of the ages of a father and his son is 60 years and the difference of their ages is 30 years, what is the father's age?
When 16 years ago age of Ram was divided by 24, the present age of his granddaughter Surbhi is obtained. If Surbhi is 3 years younger than...
If 7 years is subtracted from the present age of Rohit and the remainder is divided by 13, then the present age of his grandson Amit is obtained. If Ami...
The ratio of age of Karan 9 years ago to the age of Pooja 9 years hence is 4:6. If the average of their present ages is 38 years, what is the difference...
The current ages of A and B have a ratio of 7:9. Twelve years from now, B will be 12 years older than A. What will be the ratio of their ages in six years?
The ratio of the present age of A to that of B is 7:9. Six years ago the ratio of 1/3 of A’s age at that time and 1/3 of B’s age at that time was 1:...