book Maths Puzzle Numerical Ability

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

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book Other Question

I need a little help!!

How can I solve square root of 2 + square root of 3 - square root of 5 divided by square root of 2 + square root of 3 + square root of 5.

Thank you
sina+cosa=7^.5/2

find the value of tan(a/2)