If Reena sold 12 mobile phones for Rs. 1,88,160 which cost Rs. 14,056 per phone, what was the total profit made by her?
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Sonam's age after eight years will be half of her father's age. Eight years ago the ratio of their ages was 1 : 3. Find the present age of Sonam's father.
In the following question, select the odd letter/letters from the given alternatives.
If x - 2y = 2 and 3x + y = 20, then the value of (x,y) is
If x + 2(3-5x) > -1 - 2x < 5 - x/3; then the value of x is
Reflection of the point (3,-6) in the y-axis is
If cos -4π/3 = x, then the value of x is
What is the slope of the line parallel to the line passing through the points (-4,-6) and (2,-3)?