exam Maths Puzzle Numerical Ability

The length of a golden retangle is approximately 1.6 times the width. Find the dimensions of a golden rectangle if its area is 9000m^2.

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exam Other Question

On an achievement test, ninth graders averaged 93% and eigth graders averaged 75%. A total of 90 students took the test and averaged 87%. How many ninth graders took the test? Which of the following assumptions are required for ANOVA?
A) Each population is normally distributed
B) The populations have equal variances
C) The errors are both random an