In triangle ABC, AD, BE and CF are the medians intersecting at point G and area of triangle ABC is 156 sq.cm. What is the area (in sq.cm) of triangle FGE?
If x2+ x = 19, then what is the value of (x + 5)2+ [1/(x + 5)2]?
If x + [1/(4x)] = 5/2, then what is the value of (64x6+ 1)/8x3?
If 3x + [1/(5x)] = 7, then what is the value of 5x/(15x2+ 15x + 1)?
If x3+ 2x2– 5x + k is divisible by x + 1, then what is the value of k?
A person lent Rs 10000 to B for 3 years and Rs 6000 to C for 4 years on simple interest at same rate of interest and received Rs 5400 in all from both ofthem as interest. What is the rate of interest (in %)?
If I walk at 7/6 of my usual speed, then I reach my office 15 minutes early. What is the usual time taken (in minutes) by me to reach the office?
a% of b + b% of a = ______
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