If x is a positive quantity, then what is the value of 3x if, \(0.423 - 0.2\ \text{of}\ 52.5 \div 0.84 = x^{2} - (0.021 + 12.5)\ ?\)
Study the given grapha nd answer the question that follows.
The total production of motorcycles of companies B and E is what percentage of the demand of motorcycles of all the companies taken together?
A sum of Rs. 7,500 amounts to Rs. 8,748 after 2 years at a certain rate per cent per annum compounded annually. What will be the simple interest for 3 years at double the earlier rate of interest?
The value of \(1\tfrac{19}{21} - \left[ 1\tfrac{10}{21} + \tfrac{1}{2}\ \text{of}\ \tfrac{1}{3} \div \tfrac{7}{12} - \left( \tfrac{2}{7}\ \text{of}\ \tfrac{1}{5} \right) \right]\) is:
\(\tfrac{1}{5}\)
\(\tfrac{3}{5}\)
\(\tfrac{2}{5}\)
\(\tfrac{1}{10}\)