Vishwanath
Monday, February 18, 2013
2.Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to:
A. 1.45
B. 1.88
C. 2.9
D. 3.7
Answer:
Option : C
Given, xz = y2
⇒ 10(0.48z) = 10(2 x 0.70) = 101.40
⇒ 0.48z = 1.40
⇒ | z = |
140 | = | 35 | = 2.9 (approx.) |
48 | 12
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Title : Surds And Indices Q2
Description : 2.Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to: A. 1.45 B. 1.88 C. 2.9 D. 3.7 ...
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