1. 45
2. 53
3. 72
4. 85
53
1. 4
2. 6
3. 1
4. 1 or 4
4
1. 1
2. 4
3. 7
4. 3
4
1. xy+yx+(x−y)(xy+x)
2. xy(x+y)(xy+x)
3. yx(xy–y)(xy−x)
4. None of these
xy+yx+(x−y)(xy+x)
1. 3, 37 and 119
2. 3, 37 and 111
3. 9, 37 and 111
4. 3, 9 and 37
3, 37 and 111
1. 12
2. 8
3. 24
4. None of these
12
1. 0
2. 5
3. 14
4. 21
5
1. 12
2. 14
3. 22
4. 24
24
1. 13
2. 17
3. 21
4. 23
23
1. 296+1
2. 216+1
3. 216+1
4. 264+1
296+1