exam Maths Puzzle Numerical Ability

In a shipment of ten toys, four are damaged. If three are randomly chosen and tested and not replaced, find the probability that all three are damaged.

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Find the sum of 11 over 2 + 3 5 over eight


Thank You

Alice
without numbers, I am having trouble with this one.

It takes r cm of ribbon to make a bow. We have s meters of ribbon. How many bows can we make?

b) 20% of 3x+12=p. What is