फाइंड द वैल्यू ऑफ एक्स 18 परसेंट ऑफ स्क्वायर एंड स्क्वायर हंड्रेड क्लास सेवंथ प्लीज गिव आंसर
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Answer:Mathematics NCERT Grade 8, Chapter 6: Squares and Square roots- Numbers like 1, 4, 16, 36 are known as square numbers.
If a natural number m can be expressed as n2 , where n is also a natural number, then m is a square number.
Properties of square numbers are explained in this chapter.
If a number has 1 or 9 in its units place, then its square ends in 1.
When a square number ends in 6, then its square root will have 4 or 6 in its unit's place.
Square numbers can only have even number of zeroes at the end.
Some interesting patterns discussed in this chapter are:
a. Adding triangular numbers
b. Numbers between squares: There are 2n non-perfect square numbers between the squares of the numbers n and (n + 1)
c. Adding odd numbers: If a natural number cannot be expressed as a sum of successive odd natural numbers starting with 1, then it is not a perfect square.
d. A sum of consecutive natural numbers
e. Product of two consecutive even or odd natural numbers
Step-by-step explanation: