forDinmotorcycle to Saran fr? 35910 making a profit of 12.5%. Find the cost of the motor cycle22, The CP. of two watches taken together is? 840. If by selling one at a profit of 16% and the otherloss of 12%, there is no gain or loss in the whole transaction then find the C.P of each watch.

forDinmotorcycle to Saran fr? 35910 making a profit of 12.5%. Find the

1.	forDinmotorcycle to Saran fr? 35910 making a profit of 12.5%. Find the cost of the motor cycle22, The CP. of two watches taken together is? 840. If by selling one at a profit of 16% and the otherloss of 12%, there is no gain or loss in the whole transaction then find the C.P of each watch.
Answer» Let the CP of watch 1 = Rs x.CP of 2nd watch = 840-xSP of 1st watch = 116x/100 [16% profit]SP of 2nd watch= 88(840-x)/100 [12% loss]No loss/gain=> 840 = 116x/100 + 88(840-x)/100=> 840×100= 116x - 88x + 840×88=> 84000 = 28x+73920=> 28x= 84000-73920=> 28x=10080=> x=10080/28=> x=360CP of 1st watch = 360CP of 2nd watch= 840-x= 840-360=480