Others Maths Puzzle Numerical Ability Algebra

Box 1 cotain odd value X or Y the box 2 =X i.e 7 or 12 box 3= Y has value 19 if X is 7 or 31 if x is 12 get even value X or Y . Use any operator, steps allowed are 3.

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whts d solution????
10 years agoHelpfull: Yes(1) No(2)

kuthe aahe answer ?
7 years agoHelpfull: Yes(1) No(2)

Others Other Question

a dishonest milkman A buys 100L of milk from another dishonest milkman B for onward distribution. he retains 10Lof milk for personal use, adds water to make up the shortfall and sells the mixture at Rs 15/L, thereby making a profit of Rs 2.75/L on the quantity sold. if B had already diluted the milk with water in the ratio of milk:water::9;1 and he makes a profit of Rs1, the price /L of pure milk purchased by B is closest to? The cost of 1 mango is Rs.5, 1 apple for Rs.1 and for 20 grapes it is Rs.1. I need to buy 100 fruits in Rs.100