A) 25
B) 10
C) 4
D) 100
Correct Answer: B
Solution :
25:10::10:4 \[\text{1}{{\text{0}}^{\text{2}}}\text{=25 }\!\!\times\!\!\text{ 4 }\!\![\!\!\text{ Since }{{\text{b}}^{\text{2}}}\text{ = ac }\!\!]\!\!\text{ }\] \[\therefore \] 10 is the mean proportion.You need to login to perform this action.
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