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Maths Puzzle
Numerical Ability
sina+cosa=7^.5/2
find the value of tan(a/2)
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book Other Question
Each number below is the number of miles the Hoover family has driven in a week. Determine the frequency of the class interval for this data.
142 284 557 354 315
265 329 157 3
2/3x=24,...
3(x-5)+7=16,...