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प्रश्न
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उत्तर
Number of students in each row = y
Number of rows = x
∴ Total number of students in the parade = Number of students in each row × Number of rows
= y × x
= yx
= xy
Thus, there are in all xy students for the parade.
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संबंधित प्रश्न
The tens and units place of a two digit number is m and n respectively. Write the polynomial which represents the two digit number.
Add the given polynomials.
`x^3 - 2x^2 - 9 ; 5x^3 + 2x + 9`
Add the given polynomial.
`-7m^4 +5m^3 + sqrt2 ; 5m^4 - 3m^3 + 2m^2 + 3m - 6`
Subtract the second polynomial from the first.
`x^2 - 9x + sqrt 3 ; -19x + sqrt 3 +7x^2`
Subtract the second polynomial from the first.
`2ab^2 + 3a^2b - 4ab ; 3ab - 8ab^2 + 2a^2b`
Multiply the given polynomial.
`2x ; x^2 - 2x - 1`
Divide first polynomial by second polynomial and write the answer in the form ‘Dividend = Divisor × Quotient + Remainder’.
`x^3 - 64 ; x - 4`
There is a rectangular farm with length `(2a^2 + 3b^2)` metre and breadth `(a^2 + b^2)` metre. The farmer used a square shaped plot of the farm to build a house. The side of the plot was `(a^2 - b^2)` metre.
What is the area of the remaining part of the farm?
Add the following polynomial.
`3p^3q+ 2p^2q + 7; 2p^2q + 4pq - 2p^3q`
Subtract the second polynomial from the first.
`2x^2 + 3x + 5 ; x^2 -2x + 3`
Multiply the following polynomial.
`(m^3 - 2m + 3)(m^4 - 2m^2 + 3m + 2)`
Multiply the following polynomial.
`(5m^3 - 2) (m^2 - m + 3)`
Which polynomial is to be added to 4m + 2n + 3 to get the polynomial 6m + 3n + 10?
