Q 1: Find the simplest rationalising factor of ^{7}Ö729. ^{7}Ö3 ^{7}Ö7 ^{7}Ö5

Q 2: Write the square roots of 49. ± 5 ± 6 ± 7

Q 3: Add the given radicals 13 Ö3 + 14 Ö3. 27 Ö3 25 Ö3

Q 4: If a number has one digit, the the number of digits in its square ______. 1 or 2 2 or 3 1 or 3

Q 5: Find the simplest rationalising factor of ^{4}Ö9. ^{4}Ö27 ^{4}Ö9 ^{4}Ö3

Q 6: Write the perfect squares in between the natural numbers 1 and 50. 4, 9, 16, 25, 35 and 49 4, 9, 16, 25, 36 and 49 4, 9, 18, 25, 36 and 49

Q 7: Expand (Ö5 +2)^{2}. 9 + 2Ö5 9 + 4Ö5

Q 8:
^{8}Ö3 ^{15}Ö3

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Question 10: This question is available to subscribers only!

