Adding Consecutive Odd Numbers

Q. Express $9^3$ as the sum of 9 consecutive odd numbers.

1. 73, 75, 77., 79, 81, 83, 85, 87, and 89.
2. 81, 83, 85, 87, 89, 91, 93, 95 and 97
3. 71, 73, 75, 77, 79, 81, 83, 85 and 87
4. 91, 93, 95, 97, 99, 101, 103, 105 and 107

Q. Every perfect cube number can be expressed as a sum of consecutive ______ numbers.

1. Prime
2. Square
3. Even
4. Odd

Q.

Shishir is trying to express every cube as the sum of consecutive odd numbers. He is struggling to express $7^3$ in this way. Can you find the odd numbers whose sum leads to $7^3$?

1. 43, 45, 47, 49, 51, 53, 55

2. 43, 45, 41, 49, 57, 53, 55

3. 39, 45, 47, 49, 51, 53, 59

4. 39, 45, 47, 49, 51, 43, 59

Q.

What is the cube root of $36\times 48$?

1. 6

2. 24

3. 14

4. 12

Q. Simplify:
$86+16.95-3.0042$