Find the value of x in each of the following,
a. 4,5, X, 480 = 384
b. 9,21,33, - 77
C. X, 28, 20,4 = 140
Answers
Answered by
0
Answer:
a)85
Step-by-step explanation:
b)14
c)88
by chahat3325
Answered by
0
Answer:
(i) x : 4 = 6 : 8
\Rightarrow x\ \times8=4\times6⇒x ×8=4×6
\Rightarrow x=\frac{4\times6}{8}=3⇒x=84×6=3
(ii) 14 : x = 7 : 9
\Rightarrow x\times7=14\times9⇒x×7=14×9
\Rightarrow x\ =\frac{14\times9}{7}=18⇒x =714×9=18
(iii) 4 : 6 = x : 18
\Rightarrow6\times x=4\times18⇒6×x=4×18
\Rightarrow\ x=\frac{4\times18}{6}=12⇒ x=64×18=12
(iv) 8 : 10 = x : 25
\Rightarrow\ 10\times x=25\times8⇒ 10×x=25×8
\Rightarrow x=\frac{25\times8}{10}=20⇒x=1025×8=20
(v) 5 : 15 = 4 : x
\Rightarrow\ 5\times x=15\times4⇒ 5×x=15×4
\Rightarrow x=\frac{15\times4}{5}=12⇒x=515×4=12
(vi) 16 : 24 = 6 : x
\Rightarrow\ 16\times x=24\times6⇒ 16×x=24×6
\Rightarrow\ x=\frac{24\times6}{16}=9⇒ x=1624×6=9
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