Home
Class 14
MATHS
While solving a problem, by mistake, Ank...

While solving a problem, by mistake, Ankita squared a number and then subtracted 25 from it rather than first subtracting 25 from the number and then squaring it. But she got the right answer. What was the given number?
किसी प्रश्न को हल करते समय, अंकिता ने गलती से एक संख्या का वर्ग किया और फिर इसमें से 25 घटा दिया जबकि उसे संख्या में से 25 घटाने के बाद उसका वर्ग करना था। फिर भी उसे सही उत्तर मिला। दी गई संख्या क्या थी?

A

A)13

B

B)38

C

C)48

D

D)Cannot be determined

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • 2014 TIER-II PAPER(18)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

  • 2015 TIER-II PAPER(17)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

While solving a mathematical problem, Samidha squared a number and then subtracted 25 from it rather than the required i.e., first subtracting 25 from the number and then squaring it. But she got the right answer. What was the given number? (a) 13 (b) 38 (c) 48 (d) Cannot be determined (e) None of these

A whole number is added to 25 and the same number is subtracted from 25. The sum of the resulting numbers is

The square root of which of the following is a rational number? निम्न में से किसका वर्ग मूल एक परिमेय संख्या है ?

The square root of which of the following is a rational number? निम्न में से किसका वर्ग मूल एक परिमेय संख्या है ?

Three times a number is 24 more than the one-third of this number. This number is : किसी संख्या का तीन गुना उसकी एक-तिहाई से 24 अधिक है | संख्या क्या हैः

The sum of a number’s square, its cube and its next number’s cube is 205. What is the number? एक संख्या के वर्ग, उसके घन तथा उसकी अगली संख्या के घन का योग 205 है। वह संख्या कौन सी है?

By what number must the given number be multiplied to increase the number by 25%. किसी संख्या में 25% की वृद्धि करने के लिए उस संख्या को किस संख्या से गुणा करना चाहिए ?

If a number is divided by 3, the remainder will be 2. If the number is added by 5 and then divided by 3, then what will be the remainder’? यदि एक संख्या को 3 से विभाजित किया जाता है, तो शेष 2 होगा। यदि संख्या को 5 से जोड़ा जाता है और फिर 3 से विभाजित किया जाता है, तो शेष क्या होगा?

If a number multiplied by 25% of itself gives a number which is 200% more than the number, then the number is यदि किसी संख्या को उसके 25% से गुणा करने पर मिलने वाली संख्या उस संख्या से 20% अधिक हो, तो वह संख्या है-

Let x be the least number which when subtracted from 10424 gives a perfect square number. What is the least number by which x should be multipied to get a perfect square? बता दें कि x सबसे कम संख्या है जिसे 10424 से घटाकर एक पूर्ण वर्ग संख्या दी जाती है। एक पूर्ण वर्ग प्राप्त करने के लिए किस संख्या को x से गुणा किया जाना चाहिए?

CHAMPION PUBLICATION-2014 TIER-II PAPER(19)-EXERCISE
  1. If 50% of x=30% of y then x : y is :

    Text Solution

    |

  2. 1/(sqrt3+sqrt4)+1/(sqrt4+sqrt5)+1/(sqrt5+sqrt6)+1/(sqrt6+sqrt7)+1/(sqr...

    Text Solution

    |

  3. While solving a problem, by mistake, Ankita squared a number and then ...

    Text Solution

    |

  4. A General of Army wants to form a square from 36562 armies. After arra...

    Text Solution

    |

  5. The square root of (2 + sqrt(3))/(2) is

    Text Solution

    |

  6. The value of sqrt(72+sqrt(72+sqrt(72+))) is

    Text Solution

    |

  7. In a farm there are cows and hens. If heads are counted they are 180, ...

    Text Solution

    |

  8. The number which can be written in the form of n (n+1) (n+ 2), where n...

    Text Solution

    |

  9. The value of (11111)^(2) is

    Text Solution

    |

  10. Two workers A and B are engaged to do a piece of work. A working alone...

    Text Solution

    |

  11. If a man earns ₹ 2,000 for his first 50 hours of work in a week and t...

    Text Solution

    |

  12. If x can finish a job in 4 hours and y can finish the same job in 8 ho...

    Text Solution

    |

  13. A company employed 200 workers to complete a certain work in 150 days....

    Text Solution

    |

  14. x can copy 80 pages in 20 hours, x and y together can copy 135 pages i...

    Text Solution

    |

  15. x does (1)/(4) of a job in 6 days, y completes rest of the job in 12...

    Text Solution

    |

  16. Mr. x and Mr. y each bought the same motorcycle using a 10% off coupon...

    Text Solution

    |

  17. If a person makred a product 25% above the cost price but allows 10% d...

    Text Solution

    |

  18. The price of an antique is reduced by 20% and then this price is again...

    Text Solution

    |

  19. A builder purchases 25 windows at 25% off the total price of Rs. 1,20,...

    Text Solution

    |

  20. If A: B = 1/2 : 1/3, B: C = 1/5 : 1/3, then (A+B): (B+C) is equal to...

    Text Solution

    |