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⅖ + ¼ എത്ര ?

A3/19

B3/20

C13/20

D13/5

Answer:

C. 13/20

Read Explanation:

2/5 + 1/4 = (2 × 4 + 1 × 5)/(5×4) = (8+5)/20 = 13/20


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11×2+12×3+13×4+14×5=\frac{1}{1\times2}+\frac{1}{2\times3}+\frac1{3\times4}+\frac1{4\times5}=

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1/8 + 1/9 = 1/x, ആയാൽ x ന്റെ വില എന്ത്?
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