Vishwanath
Monday, February 18, 2013
18. | Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to: |
|
Answer: Option C
Explanation:
xz = y2 10(0.48z) = 10(2 x 0.70) = 101.40
0.48z = 1.40
z = | 140 | = | 35 | = 2.9 (approx.) |
48 | 12 |
Title : Surds And Indices Q18
Description : 18. Given that 10 0.48 = x , 10 0.70 = y and x z = y 2 , then the value of z is close to: A. 1.45 B. 1.88 C. 2.9 D. 3.7 Answer: O...
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