MATHS QNS PAPER cH- 1 &2
Q 1) prove that root 15 is irrational. Q 2) express each number as the product of prime number i) 1009 ii) 4369 iii) 3221 iv) 9876 v) 2124 Q 3) Find LCM and HCF of following terms i) 100 & 372 ii) 435 & 545 iii) 3052 & 3212 Q 4) Given that HCF of ( 306 & 607) is 9 Find its LCm. Q5) without division check weather no. are terminating or not. i) 22/432
ii) 34/6754 iii) 6250 iv) 56/1024
Q6) use Euclid division algorithum to find HCF of 4052 and 12576. Q7) Prove that if x and y are odd positive integer than x^2 + y^2 is even but not divisible by 4. Q8) Divide Q9
Q 10)
Q11)
Q12)
Q13) *