How much is –a–2b–3c less than a + 3b – 5c? (a) –2a–5b+2c (b) 2a+5b–2c (c) 2a+6b–15c (d) 2a–5b+15c

Give chapter 5 lines and angles own questions for board exams 

Find the following percentage value:

1) 15% of 250.

Find the angle which is equal to its supplement.

Find the breadth of the rectangle whose length is 70 cm and perimeter 200 cm.

Convert 1 gallon into liters.

a. 3.05 liters

b. 3.78 liters

c. 4.05 liters

d. 4.78 liters