Question

answer pic paste kar ke bejna ok


1. How many non square number lie between 802

and 812

.

2. Evaluate √8 × 125 3

3. Express the given with positive exponent: (x

−3

)

4

4. By what smallest number must 180 be multiplied so that it becomes a perfect square. Also find the

square root of the number so obtained.

5. Find the product by using suitable identity

( − 6)( − 9)

6. Find the greater number of six digits which is a perfect square. Find the square root of this number.

7. Find the value of 4 × 81−

1

2 (81

1

2 + 81

3

2)

8. A train 210m long took 12 seconds to pass a 90m long tunnel. Find the speed of the train.

9. Using long division, show that (3 + 1) is a factor of 12

3 − 2

2 + + 1.

10. Find the volume of a cube whose surface area is 150m2

.

11. If 4

− 4

−1 = 24, then find the value of .

12. Factorise :

2 − 3 + 2

2

13. Draw a line segment = 6. Find a point Q on it such that =

2

5

.

14. Two adjacent angles of a parallelogram are in the ration 1:5. Find all the angles of the parallelogram.

15. One of the angles of a parallelogram is 75°. Find the measures of the remaining angles of the

parallelogram.​

Answer 1

Abey 5 point ke liye main itna sara likhu kam se kam 20 point milthe tho mai bhejhtha