Using appropriate properties, find (i) −2/3×3/5+5/2−3/5×1/6(ii) 2/5×(−3/7)−1/6×3/2+1/14×2/5

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