Question

a = 1/3, b = 1/5 ആയാൽ $\frac{a + b }{ab}\text { എത്ര?}$

• A. 15/8
• B. 1/8
• C. 8
• D. 8/15

Answer 1

Answer:

C. 8

$a = 1/3, b = 1/5$

$\frac{a + b }{ab}$

$=\frac{(1/3+1/5)}{(1/3\times1/5)}$

$=\frac{8/15}{1/15}$

$=8/15\times15/1$

$=8$