The area under the speed time graph given the total distance covered by car. What is the average velocity to two places of decimals?
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1979
Find x in the diagram below.
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1979
PQ is parallel to RS. Calculate the value of x.
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1979
In the parallelogram PQRS, PE is perpendicular to QR. Find the area of the parallelogram.
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1979
(Numbers indicate the lengths of the sides of the triangles) If the area of \(\bigtriangleup\) PQR is k2sq. units what is the area of the shades portion?
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1979
In the figure, PQ is parallel to SQ ; QS bisets < PSQ, < PQS is 65\(^{\circ}\) and < RPS is 20\(^{\circ}\). What is the size of < PRS?
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1979
In the figure, \(\bigtriangleup\) ABC are in adjacent planes. AB = AC = 5cm, BC = 6cm and o then AE is equal to
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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 30o. If the tree is 200m tall and the man's eyes a…
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1979
If \(\sqrt{3^x}\) = \(\sqrt{9}\) then the value of x is:
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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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1979
If y = x2 - 2x - 3, Find the least value of y and corresponding value of x
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1979
The following table relates the number of objects f corresponding to a certain size x. What is the average size of an object?\(\begin{array}{c|c} f & 1 & 2 & 3 & 4 & 5 \\ \hline x & 1 & 2 &…
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1979
The size of a quantity first doubles and then increases by a further 16%. After a short time its size decreases by 16%. What is the net increases in size of the quantity?
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1979
What is log7(49a) - log10(0.01)?
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1979
What is the greatest straight line distance between two vertices (corners) of a cube whose sides are 2239cm long?
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1979
An arc of circle of radius 2cm subtends an angle of 60o at the centre. Find the area of the sector
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1979
A cylinder of height h and radius r is open at one end. Its surface area is
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1979
Simplify \(\frac{1 - x^2}{x - x^2}\), where x \(\neq\) 0
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1979
For the set of numbers 2, 3, 5, 6, 7, 7, 8
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1979
12 men complete a job in 9 days. How many men working at the same rate would be required to complete the job in 6 days?