5 5 3 + 7 5 2 = ____ Options: A . &nbsp1567 B . &nbsp1616 C . &nbsp1476 D . &nbsp1716

Answer: Option B : B 5 5 3 = 5 × 3 + 5 3 = 20 3 and 7 5 2 = 7 × 2 + 5 2 = 19 2 Thus, 5 5 3 + 7 5 2 = ( 20 3 + 19 2 ) = 20 × 2 3 × 2 + 19 × 3 2 × 3 = 40 + 57 6 = 97 6 = 16 1 6

553+752 = ___

Question

5 \frac{5}{3} + 7 \frac{5}{2}

= ____

Options:

A . 1567

B . 1616

C . 1476

D . 1716

Answer: Option B
:
B

5 \frac{5}{3} = \frac{5 \times 3 + 5}{3} = \frac{20}{3}

and

7 \frac{5}{2} = \frac{7 \times 2 + 5}{2} = \frac{19}{2}

Thus,

5 \frac{5}{3} + 7 \frac{5}{2} = (\frac{20}{3} + \frac{19}{2})

= \frac{20 \times 2}{3 \times 2} + \frac{19 \times 3}{2 \times 3}

= \frac{40 + 57}{6}

= \frac{97}{6}

= 16 \frac{1}{6}

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