z1y2's

z1y2's

30. Permutations and Combinations

30. Permutations and Combinations

13. Partnership

13. Partnership

2. h.c.f. and l.c.m. of Numbers Important Facts and Formulae

2. h.c.f. and l.c.m. of Numbers Important Facts and Formulae

4. Simplification Important Concepts

4. Simplification Important Concepts

8. Problems on Ages

8. Problems on Ages

10.Percentage

12. Ratio and Proportion

12. Ratio and Proportion

23. Logarithms

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