The correct option is 4/5 of 25 = 4×5 = 20 (5 as common factor) 9 of 16/54 = 16/6 (9 as common factor) = 8/3 ( 2 as common factor) 15 of 31/3 = 15×10/3 = 5×10 ( ...

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Standard VII

Mathematics

Multiplication of Improper Fractions

Match the fol...

Question

Match the following:

7 \frac{1}{2}

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\frac{8}{3}

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Solution

$\frac{4}{5}$ of 25 = $4 \times 5$ = 20 (5 as common factor)
9 of $\frac{16}{54}$ = $\frac{16}{6}$ (9 as common factor) = $\frac{8}{3}$ ( 2 as common factor)
15 of $3 \frac{1}{3}$ = $15 \times \frac{10}{3}$ = $5 \times 10$ (3 as common factor) = 50
8 of $\frac{15}{16}$ = $\frac{15}{2}$ (8 as common factor) = $7 \frac{1}{2}$

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Similar questions

Q. 3720

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20=508+?

Q. The expanded form of 508 is

Simplify the following expression :

$\frac{\frac{1}{2} \times (0 \times (\frac{696}{142} \times \frac{989}{789} \times \frac{456}{989} \times \frac{142}{696})) + \frac{5}{6} \times 9 \times 0}{(\frac{989}{456} + \frac{498}{981} + \frac{598}{251} + \frac{198}{256}) \times 989}$

Q. In each of the following questions , one term is wrong. Find out the wrong term.

6, 19, 56, 169, 508, 1519

Using the formula $(a + b)^{2} = (a^{2} + 2 a b + b^{2}$ , evaluate:
(i) $(310)^{2}$
(ii) $(508)^{2}$
(iii) $(630)^{2}$

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Match the following:

45 of 25 = 4×5 = 20 (5 as common factor) 9 of 1654 = 166 (9 as common factor) = 83 ( 2 as common factor) 15 of 313 = 15×103 = 5×10 (3 as common factor) = 50 8 of 1516 = 152 (8 as common factor) =712