Mathematics 1987 JAMB Past Questions

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Convert 241 in base 5 to base 8,

A. 71₈
B. 107₈
C. 176₈
D. 241₈

View Answer & Discuss JAMB 1987

Find the least length of a rod which can be cut into exactly equal strips, each of either 40cm or 48cm in length

A. 120cm
B. 240cm
C. 360cm
D. 480cm

View Answer & Discuss (1) JAMB 1987

A rectangular lawn has an area of 1815 square yards. if its length is 50 meters, find its width in meters given that 1 metre equals 1.1 yards

A. 39.93
B. 35.00
C. 33.00
D. 30.00

View Answer & Discuss (6) JAMB 1987

Reduce each number to two significant figures and then evaluate \(\frac{0.021741 \times 1.2047}{0.023789}\)

A. 0.8
B. 0.9
C. 1.1
D. 1.2

View Answer & Discuss (1) JAMB 1987

A train moves from P to Q at an average speed of 90km/h and immediately returns from Q to P through the same route at an average speed of 45km/h. Find the average speed for the entire journey

A. 55.00km/h
B. 60.00km/h
C. 67.50km\h
D. 75.00km\h

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