The cost of a pen is Rs (x + 5) and Varun bought (x + 5) pen. a) Find the total amount paid by him in terms of x.
i. Rs x^2 + 5x + 6
ii. Rs x^2 + 10x + 25
iii. Rs x^2 − 10x + 25
iv. None of above
b) If x = 10, find the amount paid by him.
i. Rs 200
ii. Rs 215
iii. Rs 225
iv. Rs 230
(1)
c) If x = -1, find the amount paid by him.
i. Rs 13
ii. Rs 14
iii. Rs 15
iv. Rs 16
d) If x^2 = 25, find total number of pen?
i. 5
ii. 10
iii. 20
iv. 15
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