Find the value of 110111₂ + 10100₂

A. 1101011₂

B. 1001001₂

C. 1001011₂

D. 1001111₂

A woman bought a grinder for N60,000. She sold it at a loss of 15%. How much did she sell it?

A. N53,000

B. N52,000

C. N51,000

D. N50,000

Express the product of 0.00043 and 2000 in standard form.

A. 8.6 x 10^-3

B. 8.3 x 10^-2

C. 8.6 x 10^-1

D. 8.6 x 10

A man donates 10% of his monthly net earnings to his church. If it amounts to N4,500, what is his net monthly income?

A. N40,500

B. N45,000

C. N52,500

D. N62,000

If log7.5 = 0.8751, evaluate 2 log75 + log750

A. 6.6252

B. 6.6253

C. 66.252

D. 66.253

Solve for x in 8x^-2 = 2/25

A. 4

B. 6

C. 8

D. 10

Simplify \(\frac{2\sqrt{2} - \sqrt{3}}{\sqrt{2} + \sqrt{3}}\)

A. 3\(\sqrt{6} - 7\)

B. 3\(\sqrt{6} + 7\)

C. 3\(\sqrt{6} - 1\)

D. 3\(\sqrt{6} + 1\)

Evaluate Log₂8 + Log₂16 - Log₂4

A. 3

B. 4

C. 5

D. 6

If P = {1,2,3,4,5} and P \(\cup\) Q = {1,2,3,4,5,6,7}, list the elements in Q

A. {6}

B. {7}

C. {6,7}

D. {5,6}

If gt² - k - w = 0, make g the subject of the formula

A. \(\frac{k + w}{t^2}\)

B. \(\frac{k - w}{t^2}\)

C. \(\frac{k + w}{t}\)

D. \(\frac{k - w}{t}\)