How do I solve this logic question? Question 24.

1yr ⋅ ⋅

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Is there anything notable in this little experiment by my friend?

9mo ⋅

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Question asks to find area of trapezium accurate to 3 s.f.

10mo ⋅

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How do you solve this?

7mo ⋅

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How do I do this? Answers are at the bottom right.

10mo ⋅

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I've found that this is true, but it is absolutely nuts and unintuitive for me. I was so so convinced that they were different expressions. Help me understand this intuitively?

7mo ⋅

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How do I find the number of 9-digit numbers (that only contain digits 1-9 once) that are divisible by 45?

1yr ⋅

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