Question

Qn. 3 - If the cost of 5 pens is. 70, then
the cost of 7 Pens is
A
84
B
90
C С
112
D
98
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Answer 1

Answer:

D) 98

98 is correct answer

Answer 2

Answer:

₹ 98

Step-by-step explanation:

by unitary method, we have to first find the cost of 1 pen. we can find the cost of 1 pen and then of 7 pen by following steps:

cost of 5 pen= ₹ 70

cost of 1 pen= ₹ 70/5

=₹ 14

so, the cost of 7 pen= ₹ 14×7

=₹ 98