TO FIND SQUARE OF A NUMBER BETWEEN 40 to 50

Sq (44) .
1) Subtract the number from 50 getting result A.
2) Square A  getting result X.
3) Subtract A from 25 getting result Y
4) Answer is YX
EXAMPLE 1 : 44
50-44=6
Sq of 6 =36
25-6 = 19
So answer 1936
EXAMPLE 2 : 47
50-47=3
Sq 0f 3 = 09
25-3= 22
So answer = 2209
NOW TRY To Find Sq of 48 ,26 and 49