CTET Class I to V 3 Jan 2022 Paper

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Question : 41 of 150
 
Marks: +1, -0
Observe the pattern and write the numbers at _____
1 + 3 = 4
1 + 3 + 5 = 9
1 + 3 + 5 + 7 = 16
1 + 3 + 5 + 7 + 9 = 25
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 = ________
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