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NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Jamb Past Questions and Answers on NUMBER AND NUMERATION

Question 71:


If the simple interest on a sum of money invested at 3% per annum for 2\(\frac{1}{2}\) years is N123, find the principal.

A. N676.50
B. N820
C. N1,640
D. N4,920


Question 72:


Two sisters, Taiwo and Kehinde, own a store. The ratio of Taiwo's share to Kehinde's is 11:9. Later Kehinde sells \(\frac{2}{3}\) of her share to Taiwo for N720.00. Find the value of the store

A. N1,080.00
B. N2,400.00
C. N3,000.00
D. N3,600.00


Question 73:


Evaluate (2√3 - 4) (2√3 + 4)

A. -4
B. -2
C. 2
D. 4


Question 74:


Evaluate log\(_2\) 8 — log\(_3\) \(\frac{1}{9}\)

A. -1 1\(\frac{1}{2}\)
B. -1
C. 1
D. 5


Question 75:


The figure below is a Venn diagram showing the elements arranged within sets A,B,C,ε.
Use the figure to answer this question
What is n(A U B)1 ?

A. 2
B. 3
C. 4
D. 7






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