Home
Class 14
MATHS
A boy draws n squares with sides 1,2,3,4...

A boy draws n squares with sides 1,2,3,4,5,…. In inches. The average area covered by these n square will be :

A

`((n+1)/2)`

B

`((n+1)/2)((2n+1)/3`

C

`((n+1)/2)((2n+1)/3)^(-1)`

D

`((n+1)/2)-1((2n+1)/3)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    QUANTUM CAT|Exercise QUESTION BANK|449 Videos

  • PERCENTAGES

    QUANTUM CAT|Exercise QUESTION BANK|271 Videos

Similar Questions

Explore conceptually related problems

The area of a square, whose side is 2.5 cm is

A circle is inscribed in a square of side 14m. The ratio of the area of the circle and that of the square is pi:3 (b) pi:4 pi:2 (d) pi:1

The mean of the squares of the numbers 1,2,3,4, cdots n is

Draw a square whose each side measures 4.8cm.

How many squares with side (1)/(2) inch long are needed to cover a rectangle that is 4 feet long and 6 feet wide? (a) 24 (b) 96(c) 3456(d) 13824 (e) 14266

Area of a square plot is 2304m^(2). Find the side of the square plot.

The side of a square is 5cm. How many times does the area increase, if the side of the square is doubled?

The side of a square exceeds the side of the another square by 4cm and the sum of the areas of the two squares is 400 sq.cm. Find the dimensions of the squares.

QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
  1. The sum of squares of first ten natural numbers is :

    Text Solution

    |

  2. The sum of first 50 odd natural numbers is

    Text Solution

    |

  3. A boy draws n squares with sides 1,2,3,4,5,…. In inches. The average a...

    Text Solution

    |

  4. The 3rd and 6th term of an arithmetic progression are 4 and 9, respect...

    Text Solution

    |

  5. If the 9th and 19th terms of a G.P. are 12 and 18, what is the G.M. of...

    Text Solution

    |

  6. If the arithmetic mean of the numbers x1 , x2, x3,……., xn is barx, the...

    Text Solution

    |

  7. Which one of the following numbers belongs to the given series 18, 26,...

    Text Solution

    |

  8. When the natural numbers 1,2,3,……., 500 are written, then the digit 3 ...

    Text Solution

    |

  9. In how many ways can 1146600 be written as the product of two factors?

    Text Solution

    |

  10. How many natural numbers upto 990 are divisible by 5 & 9 both, but not...

    Text Solution

    |

  11. The number of solution of |x| + |y| le 0, for (x , y) in R, is :

    Text Solution

    |

  12. The remiander when 2^39 is divided by 39 is:

    Text Solution

    |

  13. The unit digit of the following expression (1!)^99 + (2!)^98 + … (99!)...

    Text Solution

    |

  14. The sum of all four digit numbers which are divisible by 7 is:

    Text Solution

    |

  15. When the numerator of a positive fraction is incresed by 2 and the den...

    Text Solution

    |

  16. In the given expression pq = p - q + 9, q is a fraction and p is any p...

    Text Solution

    |

  17. The digit of a three digit numder are in G.P.When the digit of this nu...

    Text Solution

    |

  18. How many even integers n, 13 le n le 313 are of the from 3k + 4, where...

    Text Solution

    |

  19. How many even integers n, 13 le n le 313 are of the from 3k + 4, where...

    Text Solution

    |

  20. if a and b are two odd distinct prime numbers and if a > b then a^2 -...

    Text Solution

    |