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Addition of Algebraic Expressions

11f + 5 repre...

Question

(11f + 5) represents the number of markers, where f denotes the number of sketch pens in a shop. What is the number of markers available if f = 3?

A

40

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B

30

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C

38

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D

28

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Solution

The correct option is C 38
The given expression is 11f + 5.

Substituting f = 3, we get,

11(3) + 5 = 38

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Q. Three desk drawers I, II and III are being stocked with seven types of articles. Hand computer, Ink-pens, Labels, Markers, Rulers, Stationery, and Tapes are to be placed in the drawers so that the articles belonging to any given type are all in oe drawer and no drawer contains more than three types of articles. The arrangement of the types of articles is subject to the following constraints
(i)

Hand computers and Rulers must be in a drawer together.
(ii)

Neither Ink-pens not Markers can be in the same drawer as Labels.
(iii)

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(iv)

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Which of the following is an acceptable arrangement ?

D r a w e r I D r a w e r I I D r a w e r I I I

Markers, Stationery, Tapes

Hand Computers, Labels, Rulers
(B)

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(C)

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Hand Computers, Rulers
(D)

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Q. One pen costs

0.25 a n d o n e m a r k e r c o s t s

0.35. At those prices, what is the total cost of 18 pens and 100 markers?

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