২৬২৪২
What is the maximum number of 114 feet pieces of wire that can be cut from a wire that is 24 feet long?
উত্তর
19
২৬২৪৬
There are 10 books on a shelf , of which 4 are paperbacks and 6 are hardbacks. How many possible selections of 5 books from the shelf contain at least one paperback and at least one hardback?
উত্তর
246
২৬২৪৭
If the radius of cylinderis halved and height is doubled, then what will be the curved surface area?
উত্তর
the same
২৬২৫০
In a shipment of 120 machine parts 5% were defective. In a shipment of 80 machine part, 10% were defective. For the two shipments combined , what percent of the machine parts were defective?
উত্তর
7.0%