Difference between Trade test and Aptitude Test?

Dear Student, the explanation to your these tests have been covered in the revision notes of the concerned chapter 'Staffing'. To access the revision note, follow the link below, thereafter, scroll down to the sixth chapter 'Staffing', hit the download button and lastly, go to the page no. 10 under the head of 'Selection Test'.

https://www.meritnation.com/cbse/class12-commerce/revision-notes/business%20studies/principles-and-functions-of-management----ncert-solution/1_15_18_1381