In the multiplication above, each symbol represents a different unknown digit, a

Question

In the multiplication above, each symbol represents a different unknown digit, and times times = 36. What is the three-digit integer ? (A) 263 (B) 236 (C)194 (D)491 (E)452 A professional gambler has won 40% of his 25 poker games for the week so far. If, all of a sudden, his luck changes and he begins winning 80% of the time, how many more games must he play to end up winning 60% of all his games for the week? A feed store sells two varieties of birdseed: Brand A, which is 40% millet and 60% sunflower, and Brand B, which is 65% millet and 35% safflower. If a customer purchases a mix of the two types of birdseed that is 50% millet, what percent of the mix is Brand A?

Explanation / Answer

Let the digits be rhombus-r circle-c square-s triangle-t In the multiplication of units digit is r*r should give last digit as r so, r = 1 or 6 If r = 1, c*s*r = 36 so, c and s = 4 and 9 But multiplication of 41 and 91 gives out a 4 digit number. So, r = 6 c and s = 2 and 3 checking from the multiplication, we get c=2 and s=3

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