Monika's father was 38 years of age when she was born while her mother was 36 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?
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PT is a tangent to a circle with centre O and radius 6 cm . If PT is 8 cm then length of OP is
BD and CE are two medians of the triangle ABC. If EO = 7 cm, then the length of CE is
35% of an alloy was silver. If in the quantity of alloy there was 119 g of silver, what was the quantity of the elements in the alloy?
What sum will produce the same interest in 9 years at the rate 8% simple interest as Rs. 800 producein 3 years at 9/2% per annum?
At what point does the line 2x - 3y = 6 cuts the X axis?
What is the value of cos 11π/6?
The mean of a distribution is 18 and the standard deviation is 4.5. What is the value of the coefficient of variation?