Mathematics
If the cost of 9 pens is ₹ 369, the cost of one dozen pens of the same make will be:
₹ 42
₹ 429
₹ 942
₹ 492
Related Questions
The values of a and b from the table are:
x y 3 18 5 a b 90 8 48 a = 30 and b = 270
a = 30 and b = 15
a = 45 and b = 15
a = 30 and b = 540
In 5 hours, a machine makes 45 screws. In 12 hours, the same machine will make:
36 screws
90 screws
72 screws
108 screws
If y varies directly to x and y = 80 when x = 400; the value of y when x = 25 is:
5
25
75
125
A man working 48 hours per week earns ₹ 2,400. If he works for 36 hours per week, he will earn:
₹ 3,200
₹ 900
₹ 1,800
₹ 1,080