Question

in a company there are 3 companies laptop are provided to its employees that is lenovo,hp and dell.There are total 1000 employees.20 out of total uses all 3 laptops​.150 uses more than one companies laptop.200 of them uses only lenovo and 280 uses only hp.40%of total uses hp and same number of employees uses hp and dell and hp and lenovo both.how many of them uses only dell laptop
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Answer 1

Answer:

lenovo model .... ......mmm...,........!