Three Bells toll at regular interval of 15 minutes 60 minutes and 36 minutes respectively given that they toll together at 2 o'clock p. m. at what time will they next toll together

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.