Question

Number series : 21, 32,45, 60, __,96, 117, 140
1. 75
2. 73
3. 74
4. 77​

Answer 1

Answer:

4. 77

Step-by-step explanation:

21, 32, 45, 60, _, 96, 117, 140

21+(11)=32

32+(13)= 45

45 + (15) = 60

60 + (17) = 77

Therefore, 4) 77

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Answer 2

Answer:

answer is 77

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