For the following questions answer them individually
Calculate the length (in cm) of the chord of the circle which is at the distance of the 12 cm from the centre and at the radius of the circle is 13 cm.
A circle has points P, Q, R on a circle in such a way that angle PQR is $$60^\circ$$ and angle QRP is $$80^\circ$$. Calculate the angle subtended by an arc QR at the centre.
If a number is reduced by 35%, then it becomes 416. By how much percent should the number be increased so that it become 876.8?
Sachin lent out Rs 60000 in two parts, first at 4% and the second at 10% interest. The yearly average interest comes out to be 6.4%. What are the amounts (in Rs) that were lent at 4% and 10% respectively?
Average of the runs of 133 players of a team is 38. If the average of the runs of the male players is 43 and the average of the runs of the female players is 24, then what will be the ratio of the total runs of male players and the total runs of female players respectively?
