exam Maths Puzzle Numerical Ability

please help with this problem

1/9+2/3
____________ I have to find the square root of this division problem

4/25+3/5

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exam Other Question

3/5 y=4/10



1/5 k - 4/7= 1/7
If a computer program draws aspiral at a reate of 45% every 20 seconds then how long will it take to complete 25 full turns?