1) what will be the unit digit of square of 52698.
2) what will be the units digit of square root of 15625
3) 1+3+5+7+9+11+13+15 is the square of _______
4) How many natural numbers lie between the square of 12 and 13
5) Is the sum of any two consecutive positive integers perfect square?
6) what will be the number of zeros in the square of 400 ?
7) Is 55 a perfect square number.
8) If a number ends with 8 , it's square will end with ________
9) If a perfect square number ends with 4 , then the one's digit of its square root is __________
10) The number of natural numbers of lying between the square of n and n+1 is given by _________
Answers
Answer:
Hope this will help u
Step-by-step explanation:
1) 4
2) 5
3) 64
4) ?
5) yes
6) 4 zeros
7) no
8) 4
9) 6
10) ?
Answer:
1. 4 is the unit digit of square of 52698
2. 5 is the unit digit of square of 15625
3. 1+3+5+7+9+11+13 is the square of √64=8²
4. the formula to find this is 2n
2×12=24
therefore, 24 numbers lie between 12² and 13²
5. No it is not always true
For an example
1) 5+6=11 which is not perfect square
2)21+22=43 which is not perfect square
6. the no. of zeros in 400 square is four zeros =400²=160000
7. A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 55 is about 7.416. Thus, the square root of 55 is not an integer, and therefore 55 is not a square number.
8. its square will end with number 4
9. one's digit of its square root will end with 6
10. don't know 10th answer
Step-by-step explanation:
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