JAMB 1979 Mathematics Past Questions, Answers & Explanations - Mathematics

Jamb 1979 Mathematics Questions

Question 51:

JAMB 1979

A father is now three times as old as his son. Twelve years ago he was six times as old as his son. How old are the son and the father?

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A 20 and 45
B 100 and 150
C 45 and 65
D 35 and 75
E 20 and 60

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Question 52:

JAMB 1979

If \(\sqrt{3^{\frac{1}{x}}}\) = \(\sqrt{9}\) then the value of x is:

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A \(\frac{3}{4}\)
B \(\frac{4}{3}\)
C \(\frac{1}{3}\)
D \(\frac{2}{3}\)
E \(\frac{1}{2}\)

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Question 53:

JAMB 1979

A man is standing in the corridor of a 10-storey building and looking down at a tall tree in front of the building. He sees the top of the tree at angle of depression of 30^o. If the tree is 200m tall and the man's eyes are 300m above the ground, calculate the angle of depression of the foot tree as seen by the man

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