If 3-8- a -10- b -100- c -1000find the value of a- b and cA- a-5- b-7 and c-3B- a-7- b-3 and c-5C- a-3- b-7 and c-5D- a-7- b-5 and c-3

The correct option is C a = 3 , b = 7 and c = 5 Given fraction is 3/8 Converting the denominator in the power of ten , we have 3 × 125/8 × 125 = 375/1000 ...

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Byju's Answer

Standard IX

Mathematics

Addition of Unlike Fractions

If 3/8= a /10...

Question

If $\frac{3}{8}$ = $\frac{a}{10}$ + $\frac{b}{100}$ + $\frac{c}{1000}$

find the value of a , b and c

a = 5 , b = 7 and c = 3

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a = 7 , b = 3 and c = 5

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a = 3 , b = 7 and c = 5

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a = 7 , b = 5 and c = 3

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Solution

The correct option is C
a = 3 , b = 7 and c = 5

Given fraction is $\frac{3}{8}$

Converting the denominator in the power of ten , we have

$\frac{3 \times 125}{8 \times 125}$ = $\frac{375}{1000}$

= 0.375

0.375 = $\frac{3}{10}$ + $\frac{7}{100}$ + $\frac{5}{1000}$

Hence a = 3 , b = 7 and c = 5

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Similar questions

If $\frac{3}{8}$ = $\frac{a}{10}$ + $\frac{b}{100}$ + $\frac{c}{1000}$
find the value of a , b and c.

Q. If

\frac{(\sqrt{5} + \sqrt{3})}{(\sqrt{5} - \sqrt{3})} = a + \sqrt{15} b

, find the values of a and b.
OR
Factorise:

(5 a - 7 b)^{3} + (9 c - 5 a)^{3} + (7 b - 9 c)^{3}

Q. If

(a + b) : (b + c) : (c + a) = 5 : 6 : 9

and

a + b + c = 10

. What is the value of c?

If
A = {1, 2, 3, 4}

B = {3, 4, 5, 6, 7}

C = {6, 7, 8, 9}

D = {7, 8, 9, 10}

$\begin{matrix} C o l u m n A & C o l u m n B 1. A \cup B & a . {3, 4, 6, 7} 2. A \cap B & b . \emptyset 3. (B \cap C) \cup D & c . {3, 4} 4. B \cup C \cup D & d . {3, 4, 5, 6, 7, 8, 9, 10} 5. (A \cap B) \cap (B \cup C) & e . {1, 2, 3, 4, 5, 6, 7} f . {6, 7, 8, 9, 10} g . {7} \end{matrix}$

If $y = \frac{1}{2} (3 x + 7)$ is written in the form $a x + b y + c = 0,$ which of the following are possible values of a, b and c?

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If 38 = a10 + b100 + c1000 find the value of a , b and c

The correct option is C a = 3 , b = 7 and c = 5 Given fraction is 38 Converting the denominator in the power of ten , we have 3×1258×125 = 3751000 = 0.375 0.375 = 310 + 7100 + 51000 Hence a = 3 , b = 7 and c = 5

If $\frac{3}{8}$ = $\frac{a}{10}$ + $\frac{b}{100}$ + $\frac{c}{1000}$

find the value of a , b and c

The correct option is C
a = 3 , b = 7 and c = 5

Given fraction is $\frac{3}{8}$

Converting the denominator in the power of ten , we have

$\frac{3 \times 125}{8 \times 125}$ = $\frac{375}{1000}$

= 0.375

0.375 = $\frac{3}{10}$ + $\frac{7}{100}$ + $\frac{5}{1000}$

Hence a = 3 , b = 7 and c = 5