# 674 Questions on CSIR (Council of Scientific & Industrial Research) Part a Aptitude with Detailed Explanations and Solutions

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We have a total of **674** Questions available on CSIR (Council of Scientific & Industrial Research) Part A Aptitude. You can choose a topic or subtopic below or **view all Questions**. Numbers in brackets indicate the number of Questions available on that topic.

## Numerical Ability (647)

- Numbers and Simplifications (58)
- HCF and LCM of Numbers (41)
- Average (31)
- Percentage (46)
- Profit and Loss (43)
- Simple Interest (41)
- Compound Interest (34)
- Ratio and Proportion (42)
- Alligation or Mixture (31)
- Time, Speed and Distance (45)
- Time and Work (40)
- Quadratic Equations (25)
- Sequence and Series (34)
- Surds and Indices (41)
- Logarithms (32)
- Permutation and Combinations (3)
- Probability (16)
- Geometry (30)
- Mensuration (9)
- Trignometry (5)