Question

Q1. Find the square root of 144/625.
Q2. Find the smallest perfect square divisible by 3,4,5 and 6.
Q3. Find the least number by which 1323 must be multiplied so that the product is a perfect cube.
Q4. Find the least number which must be added to 5483 so that the resulting number is a perfect square.
Q5. Using the division method find the square root
(i) 27.3529
(ii)23104
Q6. Evaluate
3/8+(-5/12)+(3/7)+(3/12)+(-5/8)+(-2/7)
Q7. What is the least number by which 30375 should be multiplied to get a perfect cube.
Q8. Find the cube root of
(i) 19683
(ii)91125
Q9. By what number must (-3/4) be multiplied so that the product is (-9/16).
Q10. Cost of (17/5) meter of cloth is ₹ 177/2. What is the cost of 1 meter of cloth.

please give me correct answer with solution​

Answer 1

Answer:

ans1.

$\frac{12}{25}$

ans 2.

3600

ans 3.

7 is the least number if we multiply this than we get a perfect cube

ans. 4

142 is the least number if we add this than it make a perfect square

ans. 5

1) 5.23

2) 152

ans. 6

$\frac{ - 23}{84}$

ans. 7

3 if we multiply by 3 then we get a perfect cube

ans. 8

1)27

2) 45

ans. 9

3/4

ans 10

Rs. 26 (approximately)