logo

CuriousTab

CuriousTab

Discussion


Home Aptitude Average See What Others Are Saying!
  • Question
  • If the average height of boys in a hall is 180 cm and that of girls is 150 cm. If the average height of the gathering is 165 cm, then find the number of girls present in the hall if the number of boys present in the hall are 78 ?


  • Options
  • A. 56
  • B. 64
  • C. 87
  • D. 78

  • Correct Answer
  • 78 

    Explanation

    Using Trial and error method,

    we get the number of girls in the hall = 78

  • Tags: AIEEE, Bank Exams, CAT, GATE, Bank Clerk, Bank PO

    More questions

    • 1. 
      If the Price of 6 toys is Rs. 264.37, What will be the approximate price (Rs) of 5 toys?

    • Options
    • A. 230
    • B. 120
    • C. 320
    • D. 220
    • Discuss
    • 2. 
      A runs 1 2/ 3 times as fast as B. If A gives B a start of 40 m, how far must the winning post be, so that A and B might reach it at the same time?

    • Options
    • A. 75 m
    • B. 200 m
    • C. 100 m
    • D. 125 m
    • Discuss
    • 3. 
      A person rows a kilometre down the stream in 10 minute and upstream in 30 minutes. Find the velocity of the stream?

    • Options
    • A. 1 km/hr
    • B. 2 km/hr
    • C. 3 km/hr
    • D. 4 km/hr
    • Discuss
    • 4. 
      One year ago the ratio between Samir and Ashok's age was 4 : 3. One years Later the sum of their ages will be 5 : 4. What is the sum of their present ages in years?

    • Options
    • A. 12 years
    • B. 15 years
    • C. 16 years
    • D. Cannot be determined
    • Discuss
    • 5. 
      What is 786 time of 964?

    • Options
    • A. 759276
    • B. 749844
    • C. 75416
    • D. 757704
    • Discuss
    • 6. 
      The percent profit when an article is sold for Rs. 78 is twice as when it is sold for Rs. 69. The C.P. of the article is?

    • Options
    • A. Rs. 49
    • B. Rs. 51
    • C. Rs. 57
    • D. Rs. 60
    • Discuss
    • 7. 
      In a game of 100 points, A scores 100 points while B scores only 65 points. In this game, how much points can A give to B?

    • Options
    • A. 45
    • B. 35
    • C. 25
    • D. 55
    • Discuss
    • 8. 
      Find the value of log 8 + log 1/8?

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. log (64)
    • Discuss
    • 9. 
      Given log 10 2 = 0.30103, log 10 3 = 0.47712. Find the number of digit, in 3 12 x 2 8?

    • Options
    • A. 6
    • B. 7
    • C. 8
    • D. 9
    • Discuss
    • 10. 
      Find the product of place value and face value of 5 in 65231

    • Options
    • A. 28000
    • B. 25000
    • C. 27000
    • D. 26000
    • Discuss


    Comments

    There are no comments.

Enter a new Comment