Which of the following countries launched the World's most powerful GEO Spy Satellite - the 'Gaofen 4'?

∆DEF is right angled at E. If tanD = 4/3, then what is the value of tanF ?

∆DEF is right angled at E. If m∠F = 45°, then find the value of (cosecD - 1/√3).

The area of a circle is 38.5 cm2. Find its circumference (in cm).

The length and breadth of a rectangle are 15 cm and 8 cm respectively. Find its area (in cm2)

The bar graph shows the annual sales of the different departments of a company. Study the diagram and answer the following questions

The bar graph shows the annual sales of the different departments of a company. Study the diagram and answer the following questions

The annual sales of department F is lesser than that of department A by ________

The bar graph shows the annual sales of the different departments of a company. Study the diagram and answer the following questions

What is the ratio of the annual sales of department B to that of department F?