Simplification quiz

1. Question 1 of 10

   1898.88 ÷ 189.921 + 9.99 + (?)² = 83.89

   • AOption A: 3
   • BOption B: 4
   • COption C: 5
   • DOption D: 8
   • EOption E: 7
2. Question 2 of 10

   $$\text{If }m\text{ and }n\text{ are whole numbers such that }mn=121,\ \text{then }(m-1)^{(n+1)}=?$$

   • AOption A: $$10$$
   • BOption B: $$10^2$$
   • COption C: $$10^3$$
   • DOption D: $$10^4$$
   • EOption E: $$10^5$$
3. Question 3 of 10

   \(\sqrt[3]{160\% \text{ of }720+13.33\% \text{ of }7500+8^3+20\% \text{ of }400}=x\)

   • AOption A: 196
   • BOption B: 2744
   • COption C: 14
   • DOption D: 28
   • EOption E: None of these
4. Question 4 of 10

   0.008×0.01×0.0072÷(0.12×0.0004)=?

   • AOption A: 1.2
   • BOption B: 1.02
   • COption C: 0.12
   • DOption D: 0.012
   • EOption E: 0.0012
5. Question 5 of 10

   (64 + 324) / 97 = ?

   • AOption A: 1
   • BOption B: 2
   • COption C: 4
   • DOption D: 5
   • EOption E: 3
6. Question 6 of 10

   ? + 13 × 50 = 420 + 45% of 800 + 220

   • AOption A: 300
   • BOption B: 350
   • COption C: 400
   • DOption D: 450
   • EOption E: 250
7. Question 7 of 10

   Find the approximate value of (?) in the following question: 1695.94 / ? % of 799.9 + √1023.98 = 58.47

   • AOption A: 30
   • BOption B: 8
   • COption C: 48
   • DOption D: 76
   • EOption E: 18
8. Question 8 of 10

   56% of 958+67% of 1008=?% of 2000

   • AOption A: 60.592
   • BOption B: 47.622
   • COption C: 42.86
   • DOption D: 91.455
   • EOption E: 65.092
9. Question 9 of 10

   √( 5125 – 289 – 75) = ?

   • AOption A: 69
   • BOption B: 71
   • COption C: 79
   • DOption D: 63
   • EOption E: 89
10. Question 10 of 10

    $$\text{A person was to multiply a fraction by }\frac{6}{7}.\text{ Instead, he divided and got an answer which exceeds the correct answer by }\frac{1}{7}.\text{ The correct answer is:}$$

    • AOption A: $$\frac{6}{13}$$
    • BOption B: $$\frac{36}{91}$$
    • COption C: $$\frac{7}{13}$$
    • DOption D: $$\text{None of these}$$
    • EOption E: $$\frac{42}{91}$$

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