Question 181· Statics· WAEC
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JAMB and WAEC Further Mathematics questions
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- Explanation and discussion
Question 182· Statics· WAEC
A particle of weight 20 N rests on a smooth plane inclined at 30° to the horizontal. Find the component of its weight down the plane.
Explanation and discussionQuestion 183· Statics· WAEC
Two forces of 5 N each act at a point with an angle of 60° between them. Find their resultant.
Explanation and discussionQuestion 184· Statics· WAEC
A uniform rod 4 m long weighing 50 N is supported at its midpoint. A 20 N weight hangs 1.5 m from the midpoint. The weight needed 1 m from the midpoint on the other side to balance it is
Explanation and discussionQuestion 185· Statics· WAEC
A body of weight 20 N rests on a rough horizontal floor with coefficient of friction 0.3. The limiting friction is
Explanation and discussionQuestion 186· Statics· WAEC
Two forces of 3 N and 4 N act at right angles at a point. Find the magnitude of their resultant.
Explanation and discussionQuestion 187· Statics· WAEC
A force of 10 N acts at 60° to the horizontal. Its horizontal component is
Explanation and discussionQuestion 188· Statics· WAEC
Three forces acting at a point are in equilibrium. Their resultant is
Explanation and discussionQuestion 189· Statics· WAEC
A body of weight 50 N rests on a rough horizontal plane with coefficient of friction 0.4. What horizontal force will just move it?
Explanation and discussionQuestion 190· Statistics· WAEC
The mean of x, x + 2, x + 4 and x + 6 is 10. Find x.
Explanation and discussionQuestion 191· Statistics· WAEC
Find the standard deviation of 2, 4, 4, 4, 5, 5, 7, 9.
Explanation and discussionQuestion 192· Statistics· WAEC
If every value in a data set is increased by 5, the variance
Explanation and discussionQuestion 193· Statistics· WAEC
Find the variance of the numbers 2, 4, 6 and 8.
Explanation and discussionQuestion 194· Statistics· WAEC
The variance of a set of data is 16. Its standard deviation is
Explanation and discussionQuestion 195· Statistics· WAEC
The median of 3, 7, 1, 9, 5 is
Explanation and discussionQuestion 196· Statistics· WAEC
The range of 12, 5, 19, 8, 3 is
Explanation and discussionQuestion 197· Statistics· WAEC
Find the mean deviation of 3, 5 and 7.
Explanation and discussionQuestion 198· Statistics· WAEC
The standard deviation of a data set with variance 25 is
Explanation and discussionQuestion 199· Statistics· WAEC
The measure of dispersion that uses only the largest and the smallest values is the
Explanation and discussionQuestion 200· Statistics· WAEC
If each value in a data set is increased by 5, the standard deviation
Explanation and discussion
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