A shopkeeper buys some notebooks at the rate of 12 for ₹222, and an equal number of notebooks at 10 for ₹225. If he sells all the notebooks at a profit of 20%, then the selling price of 15 notebooks is:
If x + y + z = 4, xy + yz + zx = 1 and x3 + y3 + z3 = 34, then what is the value of 2xyz?
A mobile phone is available for ₹79,860 by cash payment or by paying cash of ₹60,000 as down payment and the remaining amount in three equal annual instalments. If the shopkeeper charges interest at the rate of 10% per annum compounded annually, then the amount of each instalment (in ₹) will be:
Study the given graph and answer the question that follows.
If there is a profit of ₹2,500 and ₹3,000 on the sale of one computer of type A and one computer of type B, respectively, then what is the total profit (in thousand rupees) on the sale of 15% computers of type A in February and 10% computers of type B in June?
If \(\sin\theta = \frac{12}{13}\) , then \(\frac{\sin^{2}\theta - \cos^{2}\theta}{2\cos\theta\sin\theta} \times \cot^{2}\theta = ?\)
\(\frac{595}{1152}\)
\(\frac{119}{864}\)
\(\frac{119}{144}\)
\(\frac{595}{3456}\)