One mark exercise problems IV — task. Mathematics State Board, Class 8.

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1. Sum of a number and its half is

$30$ then the number is .

2. The exterior angle of a triangle is

$120^{\circ}$ and one of its interior opposite angle is

$58^{\circ}$ , then the other opposite interior angle is .

3. What sum of money will earn

$₹500$ as simple interest in

$1$ year at

$5\%$ per annum?

Did you find an error?

5. One mark exercise problems IV