CBSE MATHEMATICS (IX-X)

Ch 01 Real numbers Assignment Q1. What is the H.C.F of the smallest composite number and the smallest prime number? (CBSE 2018) Q2. If 'p' is a prime number then what is the L.C.M of p, p2, p3 ? Q3. The product of a non-zero rational and an irrational number is always . Q.4  Three sets of English, Hindi and Mathematics books have to be stacked in such a way that all the books  are stored topic wise and the height of each stack is the same. The number of English books is 96, the number of Hindi books is 240 and the number of Mathematics books is 336. Assuming that the books are of same thickness, determine the number of stacks of English, Hindi and Mathematics books. Q5. Two brands of chocolates are available in packs of 24 and 15 respectively. If I need to buy an equal number of chocolates of both kinds, what is the least number of boxes of each kind I would need to buy? Q6. Can two numbers have 18 as their HCF and 380 as their LCM? Give reason. 7. Can we have any...