RD Sharma describe best questions algebra

SCIENCE AND MATHS CLASSES
FOR CLASS IX AND X BY- SANJAY DUBEY (9301122644)
ALGEBRAIC IDENTITIES (CLASS IX) – 1
1. If , then
(1) (2) (3) (4)
2. If , then
(1) (2) (3) (4)
3. If , then
(1) (2) (3) (4)
4. If , then
(1) (2) (3) (4)
5. If , then
(1) (2) (3) (4)
6. If , then
(1) (2) (3) (4) none
7. If , then
(1) (2) (3) (4)
8. If and , then
(1) (2) (3) (4) none
9. ( ) ( ) ( )
(1) ( )( )
(2) ( )( )( )
(3) ( )( )( ) (4) none
10. If and , then
(1) (2) (3) (4) 12
11. If , then
(1) (2) (3) (4)
12. If the volume of a cuboid is , then possible dimension are

FOR – IIT-JEE ( MAINS AND ADVANCED), NEET,
MATHS OLYMPIAD, PHYSICS OLYMPIAD, KVPY, NTSE, XII, XI, X AND IX