spotting errors

(solve as per the direction given above)






(solve as per the direction given above)






(solve as per the direction given above)






(solve as per the direction given above)






(solve as per the direction given above)






(solve as per the direction given above)






(solve as per the direction given above)






(solve as per the direction given above)






(solve as per the direction given above)






(solve as per the direction given above)