NABTEB Mathematics 2024 Objective — Question 17
Question 17 of 50 from the National Business and Technical Examinations Board (NABTEB) Mathematics 2024 Objective paper, with the correct answer and a full explanation.
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A number is added to both the numerator and the denominator of the fraction 1/8. If the result is 1/2, find the number.
- A. A. 3
- B. B. 4
- C. C. 5
- D. D. 6Correct
Explanation
Let the added number be x. (1+x)/(8+x)=1/2. 2(1+x)=8+x. 2+2x=8+x. 2x−x=8−2. x=6.
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