Please tell the answer of 11

Please tell the answer of 11 (ii) 20. 2S. - 9. 12. 27 (iii) 48. 56. 103. 225 (vi) 22, 108. l". numtx•t which is e'actly divisible by 14, 24 and 42? S the number which when divided by 12. 16, 24 and a remain&r 7? Frod the least number which when hy 12. 20 und 54 leaves remainder Four toll aner an inlenal S. 9. and 15 seconds respectively. When Will they toll In a walking competition. three persons Slep Off together. Their Steps measure and 80 cm respectively, At what distanc€ from the starting point will they again togeth Aarush' is plant trees 10 Create a border around the backyard. Aarush' plans IS minutes and her father plants a tree every I minutes. If they starved will it hefore they would finish planting a tree Ole same time. are 2S stu&nts •n section A. 36 students in scciion B and students in section C ofcb What the mtntmum nurntrr of h€mks weeuired for their class library. d"trtbuted taualiy among students in any OIV the three sections . the greatest a-dig" nurntrr exactly divisihlc by 12, 16. 24. 28 and "e pain numb"'. pvuduct of 27. 90 1333, 1761

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What is history ? Why should we study history
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