find the sum of all natural odd number between 50and 100
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Answer:
1875
Step-by-step explanation:
51 + 53 + 55 + 57 + 59 = 275
next 50 is added
61 + 63 + 65 + 67 + 69 = 325
next 50 is added
71 + 73 + 75 + 77 + 79 = 375
next 50 is added
81 + 83 + 85 + 87 + 89 = 425
next 50 is added
91 + 93 + 95 + 97 + 99 = 475
275 + 325 + 375 + 425 + 475 = 1875
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