Adding Cost of Things
Category : 1st Class
This is grouping of the costs of two or more things converting them into single money value.
If cost of one apple =rupees
and cost of one banana =rupees
then total cost of both the fruits = cost of one apple + cost of one banana =rupees +rupees.
If cost of one pen =paise
cost of two pencils =paise
Cost of one rubber =paise
then cost of one pen + cost of two pencils + cost of one rubber. =paise +paise +paise =paise.
4 rupees is the cost of a toy and 3.rupees is the cost of a pen. What is the cost of one toy and one pen?
(a) 7 rupees
(b) 8 rupees
(c) 6 rupees
(d) 9 rupees
Cost of one toy + cost of one pen =rupees +rupees =rupees.
The cost of one copy is 5 rupees and the cost of 2 books is 6 rupees. What is the total cost of one copy and 2 books?
(a) 15 rupees
(b) 9 rupees
(c) 11 rupees
(d) 2 rupees
Option (c) is correct because cost of one copy + cost of 2 books = 5 rupees + 6 rupees = 11 rupees.
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