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Number bases - Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Jamb Past Questions and Answers on Number bases

Question 66:


If (159.75)10 = (y)6. Find x

A. X6 = 123.346
B. X6 = 424.56
C. X6 = 122.436
D. X6 = 124.456


Question 67:


100112 + *****2 + 111002 + 1012 = 10011112

A. 11112
B. 110112
C. 101112
D. 110012


Question 68:


If x10 = 235. Find x

A. 15
B. 12
C. 14
D. 13


Question 69:


Evaluate (212)\(_3\) - (121)\(_3\) + (222)\(_3\)

A. (313)\(_3\)
B. (1000)\(_3\)
C. (1020)\(_3\)
D. (1222)\(_3\)


Question 70:


Correct 241.34(3 x 10\(^{-3}\))\(^2\) to 4 significant figures

A. 0.0014
B. 0.001448
C. 0.0022
D. 0.002172






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