# Mathematics GK Questions & Answers/Math GK WorksheetCBSE Class 7 Mathematics/Math GK Quiz/Math GK for Class 7Answer the following:

1. Predecessor of -9 is —————-
2. Successor of -4 is —————-
3. Product of 2 and -3 is —————
4. Identify the property used in the following: 2 + (3 + 5) = (2 + 3) + 5
5. 150 divided by 15 is —————
6. Solve 130 – (20 x 5) + 5
7. Product of largest 3 digit number and smallest 3 digit number is ——–
8. Cube of 10 is ———
9. The area of a square plot is 3600 square meter. The side of the plot is ——–
10. Square root of 1225 is ——————
11. 2.4 times of 4 is equal to ———–
12. 5 raised to the power 0 is equal to ———————————
13. A polygon with 11 sides is known as ————–
14. 126 can be expressed as a product of prime as —————
15. 1 hectare = ——— square meter
16. The area of a rectangle is 48 square meter. If the breadth of this rectangle is 6m, find its length?
17. The solution of the equation y + 2 = 0 is ————-
18. 3x + x = ————–
19. The perimeter of a square is 24 cm. Its area is —————-
20. Additive inverse of 5 is ——————-

1. -10
2. -3
3. -6
4. Associative property
5. 10
6. 35
7. 99900
8. 1000
9. 60m
10. 35
11. 10
12. Zero
13. Hendecagon
14. 2 x 3 x 3 x 7
15. 10000
16. 8m
17. y = -2
18. 4x
19. 36 square cm
20. -5