A Teacher was giving toys to every student, after finishing off one bag he opens another bags, in the end, he found that he had 7770 more toys in all bags. If the bags contain toys like 1, 3, 5, 7, 9 ..... N, Then how many gift bags he had?
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7770/2= 3885 so there is 3884 gifts are available in theri bags he had.
ersubarnasahoo:
how many bags he had ? if all bags contains 1 (toy in 1st bag), 3 (toys in 2nd bag), 5(toys in 3rd bag), 7, 9, .....N(how many bags ?)
1+3+5+7 = 7770
sory 1+3+5+7+...+N=7770
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