The ratio of price of geometry box to the calculator is 3:4. The total price of both is Rs.350. If the price of geometry box and calculator are increased by 13 and 15 respectively of their original price, find the ratio of increased price of the calculator to the price of geometry box.

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