MATHEMATICS TRICKS PART 2

1.11*21=

211
230
221
231

2.21*31=

651
615
620
650

3.31*41=

1261
1201
1271
1171

4.41*51=

2191
2171
2081
2091

5.51*61=

3111
3211
3011
3311

6.61*71=

4321
4322
4331
4311

7.71*81=

5551
5541
5651
5751

8.81*91=

7371
7361
7341
7351

9.21*41=

661
761
761
861

10.21*31=

651
551
550
541

11.21*51=

1271
1371
1171
1071

12.61*21=

1281
1381
1481
1380

13.71*21=

1492
1391
1392
1491

14.21*81=

1701
1601
1601
1611

15.21*91=

1901
1901
1921
1911

16.31*41=

1271
1272
1273
1371

17.31*51=

1582
1381
1481
1581

18.31*61=

1891
1881
1871
1861

19.31*71=

2221
2231
2301
2201