The product of 3 and x is equal to the difference of 2x and y decreased by 2. Which of the following is true under the above conditions?
Correct answer A. x+y-2=0
Tip: press A, B, C or D to answer, and N for the next question.
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See allA painter charges Rs. 120 per hour and his son charges half of his charges. One day the son worked 2 hours more than father and thus they collectively earned Rs. 480. The time consumed by the son is:
Correct answer C. 4
If three times x is equal to x decreased by y and y is three less than x then value of x is:
Correct answer D. 1
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For a certain job Ahmed charges $ 12 an hour while Sana charges $6 an hour. If both worked the same amount of time together on a job how many hours did each of them work if their combined charges were $144?
Correct answer C. 8
The product of 3 and n is equal to 2 less than m. Which of the following is true?
Correct answer E. 3n-m+2=0
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