जॉइन Examsbookउत्तर : 4. "2.9"
Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to ___ ?5
प्र: Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to ___ ?
- 13.7false
- 22.7false
- 33.6false
- 42.9true
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उत्तर : 4. "2.9"
व्याख्या :
Answer: D) 2.9 Explanation: xz = y2 10(0.48z) = 10(2 x 0.70) = 101.40 0.48z = 1.40 z = 140/18 = 35/12 = 2.9 (approx.)