What will come in place of the question mark (?) in the following questions ?
What will come in place of the question mark (?) in the following questions ?
$$3\frac{2}{5}\times12\frac{5}{4}-2\frac{1}{5}\times5\frac{1}{4}=?$$
1). $$35\frac{1}{5}$$
2). $$32\frac{5}{8}$$
3). $$31\frac{3}{8}$$
4). $$32\frac{2}{5}$$
2 answers
Expression : $3\frac{2}{5}\times12\frac{5}{4}-2\frac{1}{5}\times5\frac{1}{4}=?$
= $(\frac{17}{5} \times \frac{53}{4}) - (\frac{11}{5} \times \frac{21}{4})$
= $\frac{901}{20} - \frac{231}{20} = \frac{901 - 231}{20}$
= $\frac{670}{20} = \frac{67}{2} = 33\frac{1}{2}$
Expression : $3\frac{2}{5}\times12\frac{5}{4}-2\frac{1}{5}\times5\frac{1}{4}=?$
= $(\frac{17}{5} \times \frac{53}{4}) - (\frac{11}{5} \times \frac{21}{4})$
= $\frac{901}{20} - \frac{231}{20} = \frac{901 - 231}{20}$
= $\frac{670}{20} = \frac{67}{2} = 33\frac{1}{2}$
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