Math Crossword

5. 1 cm^3 = 1 ____.
6. Two cylinders with equal volume will always have equal surface area. P.S. True or False?
7. The Fundamental Theorem of __________ states every composite number can be factorised as a product of primes, and this factorisation is unique, apart from the order in which the prime factors occur.
9. What is the red curve called?
11. HCF of 18 and 81. Note: Write the answer in words.
12. A bag has 9 red pencils and 4 green eraser. If we take something from the bag, what is the probability of not getting blue pens?
13. For a quadratic polynomial p(x) = x2-25, one zero is 5, find the other.
15. If an event cannot occur, what is the probability of it happening?
17. (635) -9 is __________.
18. A solid piece of iron, a cuboid of dimensions 49 cm × 33 cm × 24 cm, is moulded to form a solid sphere. The radius of the sphere is _____.
19. Find the value of “x” in the polynomial 2a2+2xa+5a+10 if (a+x ) is one of its factors.

1. We use this method to find HCF and LCM.
2. LCM of 9 and 12. Note: Write the answer in words.
3. The mode and median is given by 5 and 9, respectively. Then the mean is _____. P.S - Use the Emperical Formula.
4. CSA of _______ is 2𝝅rh.
8. The CSA and TSA of this solid are the same.
10. If we throw two coins in the air, then the probability of getting both tails will be ________.
14. p(x) = x2 - x +1 is a _______ polynomial.
16. The mean of the data: 4, 10, 5, 9, 12 is _____.
18. How many zeros does the polynomial (x-3)2 – 4 have?