PPSC Past Paper Sub inspector Punjab Police (Service Quota) 2019 Solved MCQs, Maths MCQs, PPSC Solved Past Papers MCQs, Time And Work MCQsA man can do a piece of work in 5 days but with the help of his son he can do it in 3 days. In what time can the son do it alone?A. 7.5 days B. 6.5 days C. 5.5 days D. 4.5 days Which of the following is not an Application Software?From which word ‘Aqeeda’ is derived?