Question

A money box has only ₹5 and ₹10 coins. The number of ₹10 coins is three times the number of ₹5 coins, and the total amount is ₹350. How many ₹10 coins are there?

The denominator of a fraction is 5 more than its numerator. If 3 is added to both the numerator and the denominator, the fraction becomes \frac{3}{4}. The fraction is:

In the figure, the angles of triangle ABC are x^\circ, 2x^\circ and (x + 20)^\circ. The largest angle of the triangle is:

The sum of two consecutive odd numbers can be 74.