Percentage — TN TET Mathematics Questions

5 free practice questions on Percentage, out of 29 in this topic, for Tamil Nadu Teacher Eligibility Test (TN TET) aspirants. Each one shows the correct answer and a full explanation.

Q1Easy

25% of 200 is?

200 இன் 25% என்ன?

  1. a50✓ Correct
  2. b25
  3. c60
  4. d40

Explanation

25% of 200 = (25/100) × 200 = 50.

200 இன் 25% = (25/100) × 200 = 50.

Q2Easy

What percentage is 45 of 180?

180 இல் 45 எத்தனை சதவீதம்?

  1. a15%
  2. b20%
  3. c25%✓ Correct
  4. d30%

Explanation

(45/180) × 100 = 25%.

Q3Easy

A salary first increases by 10% and then decreases by 10%. Net change is:

சம்பளம் முதலில் 10% அதிகரித்து பின்னர் 10% குறையும். நிகர மாற்றம்:

  1. a+1%
  2. b0%
  3. c−2%
  4. d−1%✓ Correct

Explanation

Net = 10 + (−10) + (10)(−10)/100 = 0 − 1 = −1%.

நிகர = 10 + (−10) + (10)(-10)/100 = 0 - 1 = -1%.

Q4Easy

36 is what percent of 144?

36 என்பது 144 இன் எந்த சதவீதம்?

  1. a20%
  2. b25%✓ Correct
  3. c30%
  4. d40%

Explanation

(36/144) × 100 = 25%.

Q5Easy

If the price of petrol is increased by 25%, by what percent must a person reduce consumption to maintain the same expenditure?

பெட்ரோல் விலை 25% உயர்த்தப்பட்டால், அதே செலவை தக்கவைக்க ஒருவர் நுகர்வை எந்த சதவீதம் குறைக்க வேண்டும்?

  1. a25%
  2. b16.67%
  3. c15%
  4. d20%✓ Correct

Explanation

Reduction = 25/(100+25) × 100 = 25/125 × 100 = 20%.

குறைப்பு = 25/(100+25) × 100 = 25/125 × 100 = 20%.

24 more questions on Percentage

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