Find the tax on an income of N20,000 if no tax is paid on the first N10,000 and tax is paid at N50 in N1000 on the next N5000 and at N55 in N1000 on the remainder

  • A N500
  • B N552
  • C N255
  • D N525
jamb 2006mathematics

The correct answer is D. N525

Let's denote the number of people who speak both the local language and pidgin English as x.:

\(350 + 200 - x = 500\)

Solving for x, we get:

\(x = 350 + 200 - 500 = 50\)

So, there are 50 people who speak both the local language and pidgin English. The percentage of the population who speak both languages is:

\(\frac{50}{500} \times 100\% = 10\%\)

So, **10%** of the population speak both the local language and pidgin English.

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