Question

.Dipesh bought 3 notebooks and 2 pens for Rs. 80. His friend Ramesh said that the price of each
notebook could be Rs. 25. Then three notebooks would cost Rs.75, the two pens would cost Rs. 5
and each pen could be for Rs. 2.50. Another friend Amar felt that Rs. 2.50 for one pen was too
little. It should be at least Rs. 16. Then the price of each notebook would also be Rs.16.Lokesh
also bought the same types of notebooks and pens as Dipesh. He paid 110 for 4 notebooks and 3
pens
(a). Let the cost of one notebook be x and that of the pen be y. Which of the following set
describe the given problem?
i.2x + 3y = 80 and 3x + 4y = 110
ii.3x + 2y = 80 and 4x + 3y = 110
iii.2x + 3y = 80 and 4x + 3y = 110
iv.3x + 2y = 80 and 3x + 4y = 110
(b). Whether the estimation of Ramesh and Amar is applicable for Lokesh?
i.Ramesh’s estimation is wrong but Amar’s estimation is correct.
ii. Ramesh’s estimation is correct but Amar’s estimation is wrong.
iii. Both estimations are correct.
iv. Ramesh’s estimation is wrong but Amar’s estimation is also wrong.
(c). What is the total cost if they will purchase the same type of 15 notebooks and 12 pens?
i) 410 ii) 200 iii) 420 iv ) 240
(d). What is the exact cost of the pen?
i) Rs 10 ii) Rs 20 iii) Rs 16 iv ) Rs 24
(e). What is the exact cost of the notebook?
i) Rs 10 ii) Rs 20 iii) Rs 16 iv ) Rs 24

Answer 1

Answer:

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