1.
If 7/10 of a swimming pool’s water is drained, what percentage of water remains?

2.
A water tank contains 600 liters. If 40 liters are used daily, how many days will the water last?

3.
A water tank is filled to its full capacity with 900 liters. If 1/5 of the water leaks, how much water remains?

4.
A water tank has 1000 liters of water. If 3/8 of the water is used for gardening, how much water is left in the tank?

5.
If 2/3 of a water reservoir is full, what percentage of water is missing?

6.
What is the result of (7 + 3) × (4 - 2)?

7.
What is the value of 5 + 3 * 2?

8.
If an angle measures 150 degrees, what type of angle is it?

9.
If a rectangle has a length of 8 units and a diagonal of 10 units, what is its width?

10.
What is the value of 2⁴ × 2³?

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