Question 7
A casting is made up of Copper and Zinc. If 65% of the casting is Zinc and there are 147g of Copper. What is the mass of the casting?
Objective
Question details
- Exam body
- WAEC
- Subject
- Mathematics
- Year
- 2010
- Question no.
- #7
- Type
- Objective
More from this paper
- Q3A car uses one litre of petrol for every 14km. If one of petrol cost N63.00, how…
- Q4Correct 0.002473 to 3 significant figure
- Q5Simplify 1\(\frac{1}{2} + 2\frac{1}{3} \times \frac{3}{4} - \frac{1}{2}\)
- Q9The sum of 6 and one-third of x is one more than twice x, find x
- Q10Given that = {x: -2 < x \(\leq\) 9}, where x is an integer what is n(T)?
- Q11Solve the inequality: 3(x + 1) \(\leq\) 5(x + 2) + 15