Question

1.Find the square root of 729 using factorisation method.
2.Find the smallest whole number by which 1008 should be multiplied so as to get a perfect square number. Also, find the square root of the square number so obtained.
3.Find the smallest whole number by which 2800 should be divided so as to get a perfect square.
4.Find the smallest square number that is divisible by each of the numbers 8, 15 and 20.
5.Find the square root of 42.25 using long division method.
6.Represent −/, −/, and −/ on the number line.
7.If the product of any two rational numbers is 2 and one of them is 1/7, find the other?
8.Write any 5 rational numbers between −2/5 and ½.
9.Mention any 4 rational numbers which are less than 5.
10.Write the multiplicative inverse of -13/19 and -7​

Answer 1

Answer:

10) -7 's multiplicative inverse is 7