The value of \(7\dfrac{4}{13} \div \dfrac{5}{26} \ \text{of}\ \left(4\dfrac{3}{5} + 7\dfrac{2}{5}\right) + \left(7\dfrac{1}{6} - 2\dfrac{1}{3}\right)\)is:
If x2 - 3x + 1 = 0, then the value of \(2\left(x^{8}+\dfrac{1}{x^{8}}\right)-5\left(x^{2}+\dfrac{1}{x^{2}}\right)\) is:
The average monthly expenditure of a family was ₹18,600 during the first three months, ₹21,750 during the next four months and ₹22,840 during the last five months of a year. If the total savings during the year was ₹1,43,020, then the average monthly income(in ₹) of the family was:
Study the following bar graph and answer the question that follows.
In how many years was the export more than the average for the given period?
In â–³ABC, if ∠B = 90° , AB = 21 cm and BC = 20 cm, then \(\dfrac{1+\sin A-\cos A}{1+\sin A+\cos A}\) is equal to:
\(-\dfrac{3}{5}\)
\(\dfrac{2}{5}\)
\(-\dfrac{2}{5}\)
\(\dfrac{3}{5}\)
If sec θ =\(\dfrac{65}{63}\) and θ is an acute angle, then the value of 8(cosec θ - cot θ) is: