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3. Find the value of x so that the given four numbers are in proportion:
1 x ,6,10and 15
(ii) X, 4, 15 and 30
By Ava

3. Find the value of x so that the given four numbers are in proportion:
1 x ,6,10and 15
(ii) X, 4, 15 and 30
(iii) 2, X, 10 and 25
(v) 9, 12, x and 8
(vi) 4, 10, 36 and X.​

About the author
Ava

In a business Soma and Salma invested rs 24000 and rs 30000 at the begining of the year. After few months, Soma invested an additi

3. Simplify and express the answer with
positive exponent.
a. (-3)-4 x (-3)-6​

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