Question

Fill in the blanks
1. Sum of first 10 odd Natural number is ______.
2. One's digit in the cube of 38 is ____.
3. Number of non-square number between 11 square amd 12 square.
4. The ratio of 50cm to 2.5m is _______
5. 3/4=______percent​

Answer 1

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Answer 2

if we apply odd number theorem:

sum of first 10 odd numbers = n * n = 10 * 10 = 100

2

22

1:5

75

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