The cost of 4 pens and 4 pencils is Rs. 100. Three times the cost of a pen is Rs. 15 more than the cost of a pencil box. The cost of a pen and a pencil box respectively are A.Rs.15 and Rs.8 B.Rs.10 and Rs.15 C.Rs.12 and Rs.10 D.Rs.16 and Rs.12

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