When a dealer sells a bicycle for N81 he makes a profit o...
When a dealer sells a bicycle for N81 he makes a profit of 80%. What did he pay for the bicycle?
N73
N74.52
N75
N87.48
N75.52
Correct answer is C
Profit = 8%
\(\therefore S.P = N81 = (100 + 8)% = 108%\)
\(108% = N81\)
\(100% = \frac{81}{108} \times 100\)
= \(\frac{8100}{108} = N75\)
Find the values of x and y respectively if \(\begin{pmatrix} 1 & 0 \\ -1 & -1\\ 2 & 2 \...
T varies inversely as the cube of R. When R = 3, T = \(\frac{2}{81}\), find T when R = 2...
If y = x sinx, find dy/dx when x = π/2. ...
\(\frac{0.00256 \times 0.0064}{0.025 \times 0.08}\)...
Evaluate (1/2 - 1/4 + 1/8 - 1/16 + ...) - 1 ...
Factorize completely 8a + 125ax3 ...
A man invested N5,000 for 9 months at 4%. What is the simple interest? ...