IBM Company Numerical Ability Arithmetic

4. A person has Rs 100/- in his pocket, he can as 25 pencils or 15books. He kept 15% of the money for
travelling expenses and purchased 5 pencils.So how many books he can purchase with the remaining
money.

Read Solution (Total 2)

price of 1 pencil rs 4
price of 1 book = 100/15 = Rs 20/3

amt left after travelling expenses and purchasing 5 pencils = 100-15-20 = Rs 65
No of books that can be bought = 65*3/20 = 39/4 = 9.75

so 9 books can be bought.
12 years agoHelpfull: Yes(23) No(0)

9 books
expense-15
rate of 1 pencil-4 rate of 1 book 6.6
rate of 5 pencils-20.
65/6.6 = 9 books
12 years agoHelpfull: Yes(6) No(1)

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A cube of 3 units is painted on all sides.If this cube is divided into cubes of 1 unit,how many cube
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