Date : L6:.12.L2 Pune Jilha Ganit Adhyapak Mandal Brihanmumbai Ganit Adhyapak Mandal GANIT PRABHUTWA EXAMINATION (Level- 1) Std. \rIII Time:3 Hours Total Marks : 100 N.B. : Proper proeedure and explanation is necessary. 1. Solve a) Simplifr : (16m - 9n) - (7m - l2n) b) Find the ratio of 2.5 kg to 1.5 gm. t2 c) d) e) 0 Simplifr' {p *16 Find x, if measures of angles in linear pair are (r + 35)0 and (2x - 50)o Factorise:m2-25m+154 In the adjacent figure, APQR - ASQP. Find r and y from the information given in the figure. 2. Solve a) A24O m long train is running at a speed of 48 km/hr. Find time it takes to cross a pole beside its track. b) At what rate a sum of money will be tripled in 20 years by simple interest? c) In thb adjacent figure, if seg CP = seg BQ seg CP I side AB and seg BQ r side AC prove that APBC = AQCB Find the fourth root of 38416. Measure of an exterior angle of a regular polygon is 450. Find i) the number of sides of it ii) the number of diagonals of it iir) the sum of measure of all interior angles of it d) e)