1. If 12,14, 9 and x are in proportion then find the value of x. (b) 10.5 (c) 21 (d) none of these (a) 105
Answers
Answered by
0
Answer:
The value of x. is (b) 10.5
Step-by-step explanation:
Given --> 12 : 14 = 9 : X
Solution : i.e. 12/14 = 9/X
By cross multiplication,
12×X = 9 ×14
∴ X = 9 × 14/12
= 21/2
= 10.5
Answered by
0
Answer:
12,14,9,x
means:- 14×9
extremes:- 12×x
product of means:- 14×9=126
product of extremes:- 12×x=126
126
12 =10.5
answer is (b) 10.5
Step-by-step explanation:
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