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DDirections for Questions 67 and 68: Amitesh buys apen, a pencil and an eraser for 41. If the least cost of anyof the three items is 12 and it is known that a pen costsless than a pencil and an eraser costs more than a pencil,answer the following questions:67. What is the cost of the pen?(a) 12(b) 13(c) 14(d) 1568. If it is known that the eraser's cost is not divisibleby 4, the cost of the pencil could be:(a) 12(b) 13(c) 14(d) 1560 |
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Answer» Answer: 67. given least cost is 12. and pen<PENCIL & eraser>pencil so pen hence the least one will be pen which is 12 Right answer is A 68. to get this answer we have to use each of the options given here. a. pen cost is 12. and we know pen b. if pencil cost is 13 then eraser cost = 41-(12+13)=16 which is divisible by 4 hence cost of pencil can't be 13. C. if pencil cost is 14 then eraser cost = 41-(12+14)= 15 which is not divisible by 4 and also pen d. if pencil cost is 15 then eraser cost = 41-(12+15) = 14 which is not divisible by 4 but pen So right answer is C |
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