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Mathematics Neco Past Questions and Answers

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Mathematics Neco Past Questions


Question 166 :



Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number

A. 2
B. 3
C. 4
D. 5
E. 6


Question 167 :



Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135°

A. 271.5cm2
B. 135.8cm2
C. 96.0cm2
D. 48.0cm2
E. 33.9cm2


Question 168 :



The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone

A. 7cm
B. 22cm
C. 28cm
D. 49cm
E. 154cm


Question 169 :



Increase 135 in the ratio 3:5

A. 225
B. 216
C. 143
D. 140
E. 140


Question 170 :



Given that x2 + y2 + k = 60 and x = \(\sqrt{10}\) when y = , find the value of k.

A. 56
B. 34
C. 32
D. -34
E. -56






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