What is the L-C-M- of 1-5- 5-8- 1-3 and 3-16-

The correct option is A 15 Required L.C.M =L.C.M of ( 1,5,1,3, )/H.C.F of ( 5,8,3,16, ) = 15/1=15 ...

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Byju's Answer

Standard VI

Mathematics

HCF

What is the L...

Question

What is the L.C.M. of $\frac{1}{5}$ , $\frac{5}{8}$ , $\frac{1}{3}$ and $\frac{3}{16}$ ?

15

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\frac{1}{48}

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\frac{5}{4}

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\frac{1}{4}

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Solution

The correct option is A $15$
Required L.C.M $= \frac{L . C . M o f (1, 5, 1, 3,)}{H . C . F o f (5, 8, 3, 16,)}$
$= \frac{15}{1} = 15$

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Similar questions

Q. If

x = \frac{4}{(\sqrt{5} + 1) (\sqrt[4]{5} + 1) (\sqrt[8]{5} + 1) (\sqrt[16]{5} + 1)}

. Then the value of

(1 + x)^{48}

Q. Simplify:
(i)

\frac{11}{12} \div (\frac{5}{9} \times \frac{18}{25})

(ii)

(2 \frac{1}{2} \times \frac{8}{10}) \div (1 \frac{1}{2} + \frac{5}{8})

(iii)

\frac{15}{16}

(\frac{5}{6} - \frac{1}{2}) \div \frac{10}{11}

(iv)

\frac{9}{8} \div \frac{3}{5}

(\frac{3}{4} + \frac{3}{5})

(v)

\frac{2}{5} \div {\frac{1}{5} o f [\frac{3}{4} - \frac{1}{2}] - 1}

(vi)

(1 \frac{3}{4} \times 3 \frac{1}{7}) - (4 \frac{3}{8} \div 5 \frac{3}{5})

Find :
1) $\frac{2}{5} \times \frac{1}{8}$

ii) $\frac{1}{5} \times \frac{3}{4}$

iii) $\frac{5}{8} \times \frac{8}{15}$

Q. The value of

[\frac{1}{\sqrt{2} + 1} + \frac{1}{\sqrt{3} + \sqrt{2}} + \frac{1}{\sqrt{4} + \sqrt{3}} + \frac{1}{\sqrt{5} + \sqrt{4}} + . . . . + \frac{1}{\sqrt{16} + \sqrt{15}}]

is equal to

Verify the following :

(i) $\frac{3}{7} \times (\frac{5}{6} + \frac{12}{13}) = (\frac{3}{7} \times \frac{5}{6}) + (\frac{3}{7} \times \frac{12}{13})$
(ii) $\frac{- 15}{4} \times (\frac{3}{7} + \frac{- 12}{5}) = (\frac{- 15}{4} \times \frac{3}{7}) + (\frac{- 15}{4} \times \frac{- 12}{5})$
(iii) $(\frac{- 8}{3} + \frac{- 13}{12}) \times \frac{5}{6} = (\frac{- 8}{3} \times \frac{5}{6}) + (\frac{- 13}{12} \times \frac{5}{6})$
(iv) $\frac{- 16}{7} \times (\frac{- 8}{9} + \frac{- 7}{6}) = (\frac{- 16}{7} \times \frac{- 8}{9}) + (\frac{- 16}{7} \times \frac{- 7}{6})$

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What is the L.C.M. of 15, 58, 13 and 316?

The correct option is A 15Required L.C.M =L.C.Mof(1,5,1,3,)H.C.Fof(5,8,3,16,)=151=15

What is the L.C.M. of $\frac{1}{5}$ , $\frac{5}{8}$ , $\frac{1}{3}$ and $\frac{3}{16}$ ?

The correct option is A $15$
Required L.C.M $= \frac{L . C . M o f (1, 5, 1, 3,)}{H . C . F o f (5, 8, 3, 16,)}$
$= \frac{15}{1} = 15$