Question

15.

APT teacher wants to arrange maximum possible number of 6000 students in a field such that the number of rows is equal to the number of columns. Find the number of rows if 71 were left

out after the arrangement.

16. Find the square root of the following by the long division method. 12544 9734418225

17. Find the least number which must be subtracted from the following number to make it perfect

square 2361 18265

Find the least number which must be added from the following number to make it a perfect

square ) 4931 5607

18.

19. Find the greatest number of 4 digits which is a perfect square. Find the square root of this number.

20. 1225 plants are to be planted in such a way that each row contains as many plants as the

number of rows. Find the number of plants in a row.

21. There are 500 children in a school. For a PT drill they have to stand in such a way that number

rows is equal to number of column. How many students are left out of the arrangement?

22. Find the square root of

1) 324/841) 4

23. Find the square root of the following numbers in decimal form 1) 84.8241 H).00059049 )225.6004

24. Find the side of square whose area is equal to the area of rectangle with sides6.4m and 2.5m.

25. The area of square playground is 256.6404 square meter. Find the length of one side of the

playground.

26. Given that √2 1.414,√31.732,√5 2.236,√72.646. Evaluate the following 2500

27. Find the length of side of square if the length of a diagonal is 10cm.

28. By what smallest number should 216 be divided so that quotient is perfect square. Also find the square root of quotient.

29.

The product of two numbers is 1575 and their quotient is 9/7. Find the numbers.

of​

Answer 1

Answer:

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Step-by-step explanation:

15. As 71  will be left after arranging . So it means 5929 children are arranged so we will take the square root of 5929 that is 77 . So there will be 77 rows and 77 columns.

16. The square root is 112.

18.5607

19. 9801

20. there will be 35 rows and 35 columns

21. 484 children will be arranged in 22 rows and 22 columns and rest 16 will be left out.

22. 0.621

23. 84.8421 - 9.21       00059049 - 0.0243    225.6004 - 15.02

24. the side of square is 4m.

25. 16.02 m

26. 28.867

27. 5√2 cm

28. 36

29. 45 and 35