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Saline and alkaline soil in many parts of the arid and semi-arid areas of Rajasthan, Punjab, Haryana and Uttar Pradesh etc. This soil contains Sodium, Calcium and Magnesium. These soils are called Reh or Kallar. The salt are usually confined to the upper layers during the dry season.
I. 3x² - 15x + 18 = 0
II. 2y² - 8y + 6 = 0
If the ratio of areas of two circle is 25:49, then the ratio of their circumferences will be:
A giant circular wheel has a diameter of 63 metres. In how many revolutions will the wheel cover a total of 79.2 km?
The average selling price of mangoes is Rs. 8 (per kg) more than the average selling price of the oranges. The quantity of oranges sold is 25% more than...
In a business, A invested Rs. 1500 more than that by B. After 6 months, A left the business. If at the end of the year, profit earned by B is equal to t...
The ratio of ages of A and B is 4:3. If A is 5 years older than B, find the age of B.
Quantity 1 : A has 44% more money than B. If B spends Rs. 1748, he will have 3/8 times as much money as A. What is the total amount of money (in Rs.) wi...
In a cyclic quadrilateral ABCD, the diagonals AC and BD intersect at E. If ∠ AEC = 120° and ∠ BED = 30°, what is the measure of ∠ ADB?
...The ratio of the incomes of P, Q, and R is 3:5:6. If P’s income is increased by 25%, R’s income is increased by 15%, and Q’s income is reduced by ...
The value of cos² 10° + cos² 20° + cos² 30° + ……. + cos² 90° is
