std10-ગણિત-સ્વાધ્યાય-સોલ્યુશન-091-std-10-maths-ch-3-swadhyay-3-2-｜-dhoran-10-ganit-｜-dhoran-10-ganit-swadhyay-3-2-prashn-3-દા-1-અને-2