Question

q no 18 and 21 explain me if u know the answer than reply me no need to reply me for free points ​

Answer 1

Answer:

PLEASE GIVE ME A BRAINLIEST ANSWER

Step-by-step explanation:

21. Therefore, 49 is the sum of first 7 odd natural numbers. 49 = 1 + 3 + 5 + 7 + 9 + 11 + 13 ANSWERS..

18.

(I) 25 numbers lie in between 12 and 13

(II) 50 numbers lying between 25 and 26.

(III) Total numbers lying between squares of 99 and 100 is 198.