Number System Practice Test 5 is an easy long practice set of 40 multiple-choice questions on number system, created by ReadyGo Learn for candidates preparing for SSC CGL and other staff-selection and government recruitment exams. It is test 5 in the Number System series on TestMint. This is a paid test priced at ₹79; a small convenience fee applies at checkout.
What this test covers
- Number System: 40 questions
Test details
| Questions | 40 |
|---|---|
| Duration | 40 minutes |
| Marks | 1 per question, 40 in total |
| Negative marking | 0.25 mark for each wrong answer |
| Difficulty | Mostly easy |
| Access | ₹79 |
A sample question from this test
What is the sum of the first 61 natural numbers?
- 1,894
- 1,892
- 1,901
- 1,891
Answer: D. 1,891. Sum = n(n + 1) ÷ 2 = 61 × 62 ÷ 2 = 1,891.
How to approach this test
Use remainders and cycles: unit digits of powers repeat in short cycles, and divisibility rules save long division.
This set leans easy, so use it to confirm that you can solve the basic pattern accurately before you move to harder sets. At 40 questions in 40 minutes, you have about 60 seconds per question on average. After you submit, review every wrong or guessed answer using the explanations.
Keep practising
Continue with all SSC CGL mock tests, free mock tests, a guide to preparing this topic and how to review your mistakes.