The perimeter of a semi-circle is 25.7 cm. What is its diameter (in cm)? (π = 3.14)

The mode of the following data is __________.

13,15,31,12,27,13,27,30,27,28 and16

Directions: The following pie chart show proportion of population of seven villages in 2009. Stud the pie chart and answer question that follows:

If the population of the village 'R' is 32000, then the below poverty line population of village Y is 

If p, q, r are all real numbers, then (p – q)³ + (q – r)³ + (r – p)³ is equal to 

Directions: Study the Bar diagram carefully and answer the questions. 

The Bar diagram shows the trends of foreign direct investment (FDI) into India from all over the World (in Rs. crores). 

The ratio of investment in 1997 to the average investment is 

$$sinθ[(1-tanθ)tanθ+sec^2θ]\over (1-sinθ)tanθ(1+tanθ)(secθ+tanθ)$$ is equal to:

Direction: What value will come in place of the question mark (?) in the following question?

8, 17, 53, ?, 1079, 6479

In the number 15!/100, which digit will be in the unit's place?