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MCQ Question 1) Given that HCF (306, 657) = 9, find LCM (306, 657). Option a.22338 b.21337 c.22168 d.22345 2) The sum of a rational and an irrational number is Options : a.Rational number b.Irrational number c.both rational and irrational d.none of these 3) If HCF of two numbers is 1, the two numbers are called relatively ________ or ________. Options : a. prime, co-prime b. composite, prime c. Both option 1 and option 2 d. None of these 4) The king, queen and jack of clubs are removed from a deck of 52 playing cards and then well shuffled. One card is selected from the remaining cards, find the probability of getting a king. Options : a.1 b.3/49 c.7/17 d.None of these 5) Cards each marked with one of the numbers 4,5,6,…20 are placed in a box and mixed thoroughly. One card is drawn at random from the box, what is the probability of getting an even prime number? Options : a.1 b.2 c.3 d.0