Use the given letters to write the answer:
For the parade there are y students in each row and x such row are formed. Then, how many students are there for the parade in all?

Use the given letters to write the answer: There are a trees in the village Lat. If the number of trees increases by b every year, how many trees will there be after x years?

In an orchard, there are 128 mango trees in 8 rows. If all the rows have an equal number of trees, how many trees would there be in 13 rows?

A meeting hall has 20 seats in the first row, 24 seats in the second row, 28 seats in the third row and so on and has in all 30 rows. How many seats are there in the meeting hall?

A meeting hall has 30 rows in all. There are 20 seats in the first row, 24 seats in the second row and 28 seats in the third row and so on. How many seats are there in the hall? a) 136 b) 4640 c) 2340 d) 192

Observe the given table and answer the following questions: How many students obtained marks more than 20?

Observe the given table and answer the following questions: How many students obtained marks more than 10?

Select and write the correct answer from the given alternatives in each of the following: Let x, y in R then x + yi is purely imaginary number if