alleryStart learning →A partial root is 4. Before choosing next digit d, trial divisor is?
A8 + d
B80 + d
C40 + d
D16 + d
Answer & Solution
Correct answer: B. 80 + d
Doubling 4 and shifting one place gives 80, to which the next digit is added.
Keep practising Squares and Square Roots
Browse all Squares and Square Roots questions for ICSE Class 8, or explore more Mathematics topics.
Related questions
How many perfect squares lie from 100 to 200, including endpoints?For prime p and positive integer n, p divides n². What must follow?Which pair of nonsquares has a perfect-square product?Smallest positive perfect square divisible by both 18 and 24?Compare √64 with √0.64. The first is how many times the second?For √2026, long division gives 45 with remainder 1. Thus?In square-root division of 12.25, how is the decimal part grouped?How many digits has the integer root of any four-digit perfect square?