math

Answer to this questions Please *Question 8*
A clock strikes once at 1 o’clock (am or pm), twice at 2 o’clock (am or pm), thrice at 3 o’clock (am or pm) and so on. How many times will it strike in 24 hours?
Select one:
1. 78
2. 136
3. 156
4. 196

  1. 👍 0
  2. 👎 0
  3. 👁 193
asked by Tosin
  1. 1+2+3+...+n = n(n+1)/2

    so, from 1:00 to 12:00 it strikes 12*13/2 = 78 times

    and it does that twice in 24 hours.

    1. 👍 0
    2. 👎 0
    posted by Steve
  2. 156

    1. 👍 0
    2. 👎 0
    posted by naz

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    If a clock tower strikes once at one o'clock,twice at two o'clock,thrice at three o'clock,then how many times does the clock strike altogether in 24 hours?

    asked by Mallika Shrestha on October 31, 2015
  2. Geography

    Think of compass rose as a clock with north at 12 o'clock. what would the direction and bearing of the hour hand be at a) 3 o'clock b) 6 o'clock c) 9 o'clock d) 10:30 Please help. Thanks

    asked by Epic on September 11, 2014
  3. Math

    I need help with these three math question. 1st question. What is the additive inverse of 5 on the 12-hour clock? 2nd question. What is the equivalent number on the 12-hour clock. -22 the choices for this question is, 5 or 2 or 3

    asked by Kimberly on February 5, 2011
  4. legal aid

    with regard to statute of limitation the term "tolling" means A.stopping the clock B.speeding up the clock C.expiration of the time on the clock or D.resetting the clock to zero.

    asked by nickeisha on April 3, 2008
  5. math

    On Friday morning two clocks are correctly set at 6 a.m. One clock gains 1 minute every 2 hours. The other clock loses 1 minute every hour. When the real time is 10 p.m. that evening, the fast clock is ______ minutes ahead of the

    asked by nisrin on January 5, 2014
  6. math

    On Friday morning two clocks are correctly set at 6 a.m. One clock gains 1 minute every 2 hours. The other clock loses 1 minute every hour. When the real time is 10 p.m. that evening, the fast clock is ______ minutes ahead of the

    asked by nisrin on January 5, 2014
  7. Introduction to Graphic Design A

    Hello! Thanks for checking my question out! ____ Mia’s clock radio communicates the time, plays the radio, and sounds the alarm at a set time, but Mia has trouble seeing the numbers on the clock at night because they are not

    asked by Da Fash on September 19, 2017
  8. English

    1. I will leave at exactly five o'clock. 2. I will leave at five o'clock exactly. 3. I will leave exactly at five o'clock. 4. I will leave at precisely five o'clock. 5. I will leave at five o'clock precisely. 6. I will leave

    asked by rfvv on May 1, 2019
  9. physics

    A pendulum clock was moved from a location where g=9.8152 m/s^2 to another location where g=9.7959 m/s^2. During the move, the length of the clock's pendulum did not change; nevertheless, the clock lost accuracy. Assuming the

    asked by Anonymous on April 20, 2010
  10. physics

    A clock has an aluminum pendulum with a period of 1.000 s at 20.2 °C. Suppose the clock is moved to a location where the average temperature is 28.1 °C. (The linear expansion coefficient for aluminum is 2.20 10-5 °C−1.) (a)

    asked by Anonymous on April 6, 2012

More Similar Questions