Which of the following is NOT included in general methodology while assessing the national income?

In ΔXYZ measure of angle Y is 90°. If cosecX = 17/15, and XY = 4cm, then what is the length (in cm) of side YZ?

ΔDEF is right angled at E. If m∠D = 45°, then find the value of (tanF + 1/3).

Find the total surface area (in cm²) of a right circular cone of diameter 14 cm and slant height 10 cm.

Find the area (in cm²) of a semi-circle of radius 35 cm.

The lengths of the two diagonals of a rhombus are 8 cm and 15 cm respectively. Find its area (in cm²).

The bar graph shows average marks scored in a 100 marks Geography exam by students of 7 divisions of standard X. Study the diagram and answer the following questions.

If all students of Division C got bonus 10 marks for winning the inter-school trophy their new average marks would increase by how much?

The bar graph shows average marks scored in a 100 marks Geography exam by students of 7 divisions of standard X. Study the diagram and answer the following questions.