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The teacher is testing a student’s proficiency in arithmetic and poses the following question. 1/3 of a number is 3 more than 1/6 of the same number. What is the number? Can you help the student find the answer?

a) 12 b) 18 c) 6 d) 21

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Ans : b 18

let the number be x

(x/3) = 3+(x/6)
x/3 = (18+x)/6
2x=x+18 >> x=18
13 years agoHelpfull: Yes(2) No(1)

x/3=3+x/6
x=18
7 years agoHelpfull: Yes(0) No(0)

TCS Other Question

The IT giant Tirnop has recently crossed a head count of 150000 and earnings of $7 billion. As one of the forerunners in the technology front, Tirnop continues to lead the way in products and services in India. At Tirnop, all programmers are equal in every respect. They receive identical salaries ans also write code at the same rate.Suppose 12 such programmers take 12 minutes to write 12 lines of code in total. How many lines of code can be written by 72 programmers in 72 minutes?
a) 72 b) 432 c) 12 d) 144 Where X, Y and Z are variables representing single digits (0 to 9), Alok would like to maximize N while Bhanu would like to minimize it. Towards this end, Alok chooses a single digit number and Bhanu substitutes this for a variable of her choice (X, Y or Z). Alok then chooses the next value and Bhanu, the variable to substitute the value. Finally Alok proposes the value for the remaining variable. Assuming both play to their optimal strategies, the value of N at the end of the game would be

a) 2 b) 4 c) 9 d) -18