Q95Multiple choice
Length and breadth of a bulletin board are r cm and t cm, respectively.
- (i)What will be the length (in cm) of the aluminium strip required to frame the board, if 10cm extra strip is required to fix it properly.
- (ii)If x nails are used to repair one board, how many nails will be required to repair 15 such boards?
- (iii)If 500sqcm extra cloth per board is required to cover the edges, what will be the total area of the cloth required to cover 8 such boards?
- (iv)What will be the expenditure for making 23 boards, if the carpenter charges Rs x per board. 11.4.2018