RRB ALP 17th Aug 2018 Shift-2 Question 10

Question 10

Square root of 0.9 is equal to

Solution

√0.9 = √9/10 = 3/√10

$$3/√10 \times √10/√10 = 3 \times√10 / 10 = 0.3 \times3.162 = 0.9486$$

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