IQ Quiz 80

IQ Quiz Questions and Answers.

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1. Two numbers are such that the ratio between them is 4 : 7. If each is increased by 4, the ratio becomes 3 : 5. The larger number is:


2. The sum of seven numbers is 235. The average of the first three is 23 and that of the last three is 42. The fourth number is :


3. If one-seventh of a number exceeds its eleventh part by 100, then the number is :


4. The sum of three consecutive odd numbers is 57. The middle one is :


5. The sum of two numbers is twice their difference. If one of the numbers is 10, the other one is :


6. A certain number of two digits is three times the sum of its digits and if 45 be added to it, the digits are reversed, The number is:


7. The difference between a two-digit number and the number obtained by interchanging the digits is 27. What is the difference between the digits of the number?


8. A number consists of two digits whose sum is 8. If 18 is added to the number, its digits are interchanged. The number is:


9. In a two-digit number, the sum of the digits is 15. If 9 is added to the number, the digits are reversed. The number is :


10. The sum of the squares of two numbers is 68 and the square of their difference is 36. The product of the two numbers is:


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