What number can replace the question mark ? $ 5 9 = 55 ? $

ঘ) 99 — $5 11 = 55$ So, $9 11 = 99$

What number can replace the question mark… | Answer

Subject

মানসিক দক্ষতা

Topic

সংখ্যাগত ক্ষমতা

ক)

খ)

গ)

ঘ)

5 \times 11 = 55

So,

9 \times 11 = 99

\frac{1}{3},\frac{1}{9},\frac{1}{{27}},\frac{1}{{81}},.........

\frac{{25}}{?} = \frac{?}{{81}}.

\frac{5}{9} = \frac{{55}}{?}