Simplification questions and Answers for competitive exams

$\frac{5}{7} \times \frac{3}{8} \times 2 \frac{1}{3}=?$

$\frac{12 \times 7-8 \times 5}{\sqrt{25}+6}=?$

$3 \frac{5}{8}+2 \frac{1}{8}+2 \frac{3}{4}=?$

$\frac{15 \times 15 \times 15}{5 \times 3 \times 2}=?$

$\frac{(16)^{2}+152 \div 4}{15}=?$

$13 \frac{3}{4}+16 \frac{1}{4}+7 \frac{1}{2}=?$

$\frac{2}{5}$ of $350+30 \%$ of $250=?$

$1 \frac{1}{2}+1 \frac{2}{3} \div\left(\frac{6}{7}-\frac{5}{6}\right)=?$

$\frac{3}{5}$ of $25 \%$ of $740=?$

43% of 583 - ? % of 401 = 158.46

$50085 \div \sqrt{?}=53 \times 15$

If $(12)^{3}$ is subtracted from the square of a number the answer so obtained is 976. What is the number?

$\left[(12)^{2}+(6)^{2}\right] \div(?)^{2}=7.2$

$441 \div 3 \times \sqrt{?}=10290$

$8 \frac{5}{6} \div 10 \frac{11}{36}=?$