Home
Class 7
MATHS
(25^2-15^2)^(3/2) = (a) 4000\ \ \ \ \ \...

`(25^2-15^2)^(3/2)` =
(a) `4000\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ `
(b) 8000
(c)3125
(d) 1024

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • DECIMALS

    RD SHARMA ENGLISH|Exercise All Questions|116 Videos

  • FRACTIONS

    RD SHARMA ENGLISH|Exercise All Questions|120 Videos

Similar Questions

Explore conceptually related problems

If 2^n=1024 , t h e n\ 2^(n/2+2) = (a)64 (b) 128 (c)256 (d) 512

if a : b = e : d , show that : 3a + 2b : 3a - 2b = 3c + 2d : 3c - 2d .

In the given figure, if A B || C D , the value of x is (a) 25 (b) 35 (c) 15 (d) 20

If A B C D E F such that D E=3c m , E F=2c m , D F=2. 5 c m , B C=4c m , then perimeter of A B C is (a) 18cm (b) 20cm (c) 12cm (d) 15cm

If a = 3b, b^2 = 2c , 9c = d , then (a^2)/(d) =

If\ \ sqrt(2^n)=1024 ,\ \ then 3^(2(n/4-4))= (a)3 (b) 9 (c) 27 (d) 81

In Fig. , the area of A B C (in square units) is (a) 15 (b) 10 (c) 7.5 (d) 2.5

If x-3 is a factor of x^2-a x-15 , then a= (a) -2 (b) 5 (c) -5 (d) 3

If a : b=4:5 and b : c=2:3, then a : c (a) 4:3 (b) 8: 15 (c) 8:9 (d) 5:3

Let A and B be two sets such that n(A)=5\ a n d\ n(B)=2,\ if\ a ,\ b ,\ c ,\ d ,\ e are distinct and (a ,2),\ (b ,3),\ (c ,2),\ (d ,3),\ (e ,2) are in AxxB , find A and B.

RD SHARMA ENGLISH-EXPONENT-All Questions
  1. If a=25 , then a^((25)^0)+a^(0^(25))= (a)25 (b) 26 (c)24 (d) ...

    Text Solution

    |

  2. {(1/3)^(-3)-(1/2)^(-3)}-:(1/4)^(-3) = (a)(19)/(64) (b) (64)/(19) (c...

    Text Solution

    |

  3. (25^2-15^2)^(3/2) = (a) 4000\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \...

    Text Solution

    |

  4. If (5/3)^(-5)xx(5/3)^(11)=(5/3)^(8x) , than x=? (a)-1/2 (b) -3/4 (c...

    Text Solution

    |

  5. [{(-1/3)^2}^(-2)]^(-1) = (a) 1/(81) (b) 1/9 (c) -1/(81) (d) -1/9

    Text Solution

    |

  6. ((144)^(1/2)+(256)^(1/2))/(3^2-2)= (A) 8 (B) 4 (C) -4 (D) -8

    Text Solution

    |

  7. ( 1+3+5+7+9+11 )^ (3/2)   = (a)36                            ...

    Text Solution

    |

  8. If a b c = 0, then ({(x^a)^b}^c)/({(x^b)^c}^a) = (a)3 (b) 0 (c)-1 ...

    Text Solution

    |

  9. (2^3)^4 = (a)2^4*3 (b) 2^3*4 (c)(2^4)^3 (d) none of these

    Text Solution

    |

  10. { ( 33 )^ 2 − ( 31 )^ 2 } ^(5/7) = (a)64                  ...

    Text Solution

    |

  11. If a b c=0 , then find the value of {(x^a)^b}^c (a)1 (b) a (c)b ...

    Text Solution

    |

  12. If a=3^(-3)-3^3\ a n d\ b=3^3-3^(-3),\ t h e n a/b-b/a (a) 0 (b) 1...

    Text Solution

    |

  13. What should be multiplied to 6^(-2) so that the product may be equal t...

    Text Solution

    |

  14. If x y z=0, then find the value of (a^x)^(y z)+(a^y)^(z x)+(a^z)^(x y)...

    Text Solution

    |

  15. If 2^n=4096 , t h e n\ 2^(n-5) = (a)128 (b) 64 (c)256 (d) 32

    Text Solution

    |

  16. The number 4, 70 , 394 in standard from is written as (a)4.70394xx10^...

    Text Solution

    |

  17. The number 2.35xx10^4 in the usual from is written as (a)2. 35xx10^3 ...

    Text Solution

    |

  18. If 3^x=6561 ,\ t h e n\ 3^(x-3) = (a)81 (b) 243 (c)729 (d) 27

    Text Solution

    |

  19. If 2^n=1024 , t h e n\ 2^(n/2+2) = (a)64 (b) 128 (c)256 (d) ...

    Text Solution

    |

  20. Find: ( 8^4 + 8^2 )^(1/2) = (a) 84           (b...

    Text Solution

    |