Find the sum to infinity of the series \(2+\frac{3}{2}+\frac{9}{8}+\frac{27}{32}+....

• A. 1
• B. 2
• C. 8
• D. 4

Find the slope of the curve y = 2x² + 5x - 3 at (1, 4).

• A. 4
• B. 6
• C. 7
• D. 9

In a Biuret test , some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive result?

• A. mercurous nitrate
• B. copper sulphate
• C. sodium carbonate
• D. silver nitrate

Fill the gap with the most appropriate option from the list following the gap. When we visited him, he offered us a variety of ....... drinks such as whisky and brandy?

• A. hot
• B. local
• C. hard
• D. soft

Which of the following is the effect of an increase in the provision for discount allowed?

• A) Increase in net profit
• B) Decrease in gross profit
• C) Decrease in net profit
• D) Increase in gross profit

Which of the following statements is not true of tin? it

• A. is a p-block element
• B. is extracted from cassiterite SnO₂
• C. is used for protecting iron containers from corrosion
• D. combines with copper to form the alloy brass

Which of the following agricultural raw material would a glue-processing industry require?

• A. cotton
• B. coconut
• C. cassava
• D. kola

A parallel plate capacitor is charged and the charging battery is subsequently disconnected. lf the plates of the capacitor are moved farther apart by means of insulating handles, the

• A. capacitance would increase
• B. capacitance would decrease
• C. charge on the capacitor would increase
• D. charge on the capacitor would decrease

An isoquant lying above to the right of another represents

• A. a higher output level
• B. constant returns to scale
• C. over-capacity utilization
• D. a lower output level

The instrument that are generated when firms enter into business transactions with others are called

• A. purchase document
• B. journals
• C. source documents
• D. invoices