Question

Time : 30 Min.
Class: Subject : Maths Mark : 10
Roll No_7215
kanal, s. manraths
Que 1) Complete the following examples
(6)
Student Name:
D
Ir 10 Pens cost 60 ruppes, what is the cost of 13 such pens
Solution : Let us suppose the cost of
13 pens ix x rupees
10 13
10x-
(Multiplying both sides by 60 x)
Cost of 13 Pens is Rs.
2)
Fifteen workers take 8 hours to build a wall. How many hour will 12 workers need
(3)
Solution : Let us use the variable x to solve this problem​

Answer 1

Answer:

1) if 10 pens cost Rs 60then.-:. 10. = 60

cost of 1 pen =. 60÷10= Rs 6

then cost of 13 pens is = 13× 6= Rs 78

ans...