(a) 3:7::x:21यू आर द लव चार्जर आप कुछ नहीं है अगर आपको सेंड होता तो आप 204 के बदले two21 नहीं लगाते
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Answer:
x = 9
Explanation:
3:7::x:21
=> 3*21 = 7x
or, x = 3*21/7
=> x = 3*3
=> x = 9
I hope it is useful for you.
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