Question

Please answer 5 and 6 one

Answer 1

Answer:

5. 75

Step-by-step explanation:

5. 3x+4x+5x = 180

   12x = 180

   x = 180/12

   x = 15

so, the largest angle is 75°

6.

Answer 2

Answer:

3 : 4 : 5 means total 12 = 180°

so 1 = 15° . so Largest angle means 5 × 15 = 75°

Answer of 5th question is 75°.

Q6 --

Lose of 20% means lose of 20 rs out of 100 rs.

so 80 = 400000 than 100 = ?

100 = 500000.

so we want 15 % gain so we have to find 115.

100 = 500000 than 115 = ?

115 × 500000 = 5,75,000 rs

Answer is 5,75,000

100