Simplification
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Simplification
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25 Questions

1. There are some boys and girls in a room. The square of the number of the girls is less than the square of the number of boys by 28. If there were two more girls - the number of boys would has been the same as that of the girls. The total number of the boys and girls in the room are
2. If x = then = ?
3. The number of pairs of natural numbers the difference of whose squares is 45 will be
4. Simplify:( )
5. Assume that √13 = 3.605 (approximately)√130 =11.40 (approximately)find the value of :√1.3 + √1300 + √0.013 √13 = 3.605√130 = 11.40√1.3 + √1300 + √0.013
6. √ is equal to:
7. - ( )- is equal to
8. .
9. The sum of the squares of 3 consecutive positive numbers is 365. The sum of the numbers is
10. The square root of 0.4 is:
11. The least number which must be added to 1728 to make it a perfect square is -¦-¦-¦-¦-¦
12. ( ) is equal to
13. What is the value of √ √ √ = ?
14. The value of √ ( ) ( ) ( ) √ ( ) ( ) ( )
15. (0.5 × 5 + 0.25 × 0.5 + 0.5 × 4 + 0.5 × 0.75) is equal to
16. If * represent a number - then the value of * in= 19
17. If (102)2 = 10404 then the value of √104.04 + √1.0404 + √0.010404 is equal to
18. When ( )is divided by( ) the result is:
19. The number - whose square is equal to the difference of the square of 75.15 and 60.12 is
20. Evaluate: [ | |-“ | | ]( )
21. 3√[(333)3 + (333)3 + (334)3 -“ 3 × 333 × 333 × 334] to equal
22. √[(0.798)2 + 0.404 × 0798 + (0.202)2 + 1] = ?
23. The number - whose square is equal to the difference between the squares of 975 and 585 - is:
24. (√√) equal to:
25. Simplify :* - ( )-+ ( )

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