NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

Question 541:

• JAMB 2014

Find the value of 110111₂ + 10100₂

A. 1101011₂
B. 1001001₂
C. 1001011₂
D. 1001111₂

Question 542:

• JAMB 2014

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

Question 543:

• JAMB 2014

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

Question 544:

• JAMB 2014

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

Question 545:

• JAMB 2014

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

A. 6.6252
B. 6.6253
C. 66.252
D. 66.253