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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 576:


Given that Z = {1,2,4,5} what is the power of set Z?

A. 16
B. 8
C. 10
D. 12


Question 577:


Simplify √30 x √40

A. 10 √3
B. 5 √3
C. 20 √3
D. 15 √3


Question 578:


Solve the equation
\( 5^{(x − 2)} = (1 ÷ 125)^{(x +3)}\)

A. 3/2
B. − 7/4
C. 4/7
D. 7/4


Question 579:


If duty is levied at 25%, find the duty to be added to a bill of N80.

A. N100
B. N20
C. N80
D. N150


Question 580:


Simplify 2.04 x 3.7 (Leave your answer in 2 decimal place)

A. 7.51
B. 7.71
C. 5.5
D. 7.55






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