Q1. If doubling a number and adding 20 to the result gives the same answer as multiplying the number by 8 and taking away 4 from the product, the number is:

Q2. If 50 is subtracted from two-third of a number, the result is equal to sum of 40 and one-fourth of that number. What is the number?

Q3. If the sum Of a number and its square is 182, what is the number?

Q4. Twenty times a positive integer is less than its square by 96, what is the integer?

Q5. Thrice the square of a natural number decreased by 4 times, the number is equal to 50 more than the number. The number is:

Q6. The sum of a number and its reciprocal is one eighth of 34. What is the product of the number and its square root?

Q7. Two third of a positive number and 25/216 of its recirocal are equal. The number is

Q8. Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.

Q9. A positive number when decreased by 4 is equal to 21 times the reciprocal of the number. The number is:

Q10. Three numbers are in the ratio 4 : 5 : 6 and their average is 25. The largest number is:

Q11. The sum of three numbers is 264. If the first number be twice the second and third number be one-third of the first. then the second number is:

Q12. The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is:

Q13. The sum of two numbers is 25 and their difference is 13. Find their product.

Q14. If the sum oftwo numbers is 33 and their difference is 15, the smaller number is:

Q15. The difference between two integers is 5. Their product is 500. Find the numbers:

Q16. Two numbers differs by 5. If their product is 336, then the sum of the two numbers is:

Q17. If the difference of two numbers is 3 and the difference of their squares is 39, then the larger number is:

Q18. The sum of three consecutive numbers is 87. The greatest among three number is:

Q19. What is the sum of two consecutive even numbers, the difference of whose squares is 84?

Q20. The sum of the squares of three consecutive natural numbers is 2030. What is the middle number?