Question

17. By what number should 3125 be divided to make it a perfect square?
(2)
SECTION-C
(3)
18. Find the least six digit number which is a perfect square.
11
19. B and C invest a business. A invests of the total amount, B invests of the total
25
20
and the remaining is invested by C. If C invests Rs 3,30,000 what was the total
business worth?
[3]
[3]
20. Find the value of k, if 4 - 461 = 48
[3]
3
21. Write in standard form.
a) 125000*4000000
b) 0. 00000000016
X-1
-X
[3]
3
2x-9
22. Solve:
8
*
6
12
23. The sum of the digits of a two digit number is 9. If the number formed by reversing
its digit is 27 less than the original number, find the original number.
[3]​

Answer 1

Answer:

2257788++-%78888--88