exam Maths Puzzle Numerical Ability

How is level of significance calculated?

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exam Other Question

to find the first 3 terms of the Recursively defined sequence:
a1=5 , an=2a n-1

for the answer I got 5,10,20...
is this correct?
The table below provides data on seven types of children. The table shows the relationship between the annual per capita sugar consumption, in kilograms, and the average number of