IQ Quiz 101 IQ Quiz Questions and Answers. Please enter your email: 1. Was Cigarette lighter invented before the match? Yes No 2. Which is the part of human body that has no blood supply? Cornea None of these. Nail Hair 3. A positive number when decreased by 4, is equal to 21 times the reciprocal of the number. The number is 7 3 9 5 4. If the side of a square be increased by 50%, the % increase in area is 50 100 150 125 5. The strongest muscle in the body is : Shoulder Back Arm Tongue 6. Which is the most common name in the world? William Mohammad Jack John 7. What is the value of (P+Q)/(P-Q) if P/Q=7 2/ 3 1/ 3 1 1/ 3 7/ 8 8. Which is the first country to give women voting rights? Japan New Zealand USA Australia 9. Who has more taste buds? Same Boys None of these. Girls 10. The population of certain village increases by 5% annually and its present population is 8000. The population after 3 years will be 9200 9261 9161 8261 Loading … Question 1 of 10 Previous PostSpotting Errors in Sentence Test 50 Next PostSynonyms Test 69