About Us Contact Us Help


Archives

Contribute

 

For The Mathematically Inclined

Anil Saigal
05/11/2017

Problem 1:

A class average score in an exam is 70. The average of students who scored below 60 is 50. The average of students who scored 60 or more is 75. If the total number of students in this class is 20, how many students scored below 60? 

Problem 2:
Four children have small toys. The first child has 1/10 of the toys, the second child has 12 more toys than the first, the third child has one more toy of what the first child has and the fourth child has double the third child. How many toys are there? 


 
 
----------------------------------------------------------------------------------------

Please send your solutions anil@lokvani.com. 

Use Problem Solutions M-051117 as the subject line. Please include your full name in the text of the main message. Everyone with the right answer will be acknowledged in the next issue of Lokvani. 

Please do not post your solution in Post Comments. No credit will be given for solutions not sent to anil@lokvani.com. 

If you need clarification on any problem, please contact anil@lokvani.com. 

--------------------------------------------------------------------------------------------------------

Problems from 04/27/17

Problem 1:
If a tire rotates at 400 revolutions per minute when the car is traveling 60 miles/h, what is the circumference of the tire? 

Problem 2:
It takes a boat 3 hours to travel down a river from point Waltham to point Boston, and 5 hours to travel up the river from Boston to Waltham. How long would it take the same boat to go from Waltham to Boston in still water?
 

Congratulations to Ramachandran Balakrishna and Kishore Balsara, who were the winners of the last set of puzzles.



Bookmark and Share | Share your Comments

Comments :
Post a new message

In this Issue
Weekend Entertainment


Catch up, register and purchase tickets for the upcoming events and concerts including Pandit Ram Deshpande, Sufiyana Bahaar, 100 Years of Bollywood, Abhisek Lahiri, Samarpanam 2017, NE Walkathon, Velum Veikuzhalum, Nrityanjali 40 and MITHAS Annual Membership.
[more]

Weekend Entertainment
Lokvani Talks To Prithvi Banerjee


Prithvi Raj Banerjee is a Boston-based, IIT and MIT educated technologist, entrepreneur and writer. Prithvi has co-founded two technology startups and is also a Yoga and mindfulness coach. His book Unbox! The Power of Mindful Thinking makes the concept of mindfulness accessible. He talked to Lokvani about mindfulness.
[more]

Lokvani Talks To Prithvi Banerjee
21st Annual India Poetry Reading This Sunday At Harvard University


India Discovery Center in association with the Department of South Asian Studies and the South Asia Institute of Harvard University invites you to the 21st Annual India Poetry Reading event scheduled for May 14th at Harvard University.
[more]

21st Annual India Poetry Reading This Sunday At Harvard University
NESSP Annual Palkhi Festival


The annual Palkhi festival organized by the New England Shirdi Sai Parivaar occurs every summer. It is an opportunity for devotees to welcome their beloved Shirdi Sai Baba home. This year's Palkhi Utsav (festival) starts on Saturday, May 13th. Sri Sainath Maharaj arrives at each home to bless it and the host family among music and dance celebrations.
[more]

NESSP Annual Palkhi Festival
Thought For The Day


A country's greatness lies in its undying ideals of love and sacrifice that inspire the mothers of the race. - Sarojini Naidu.
[more]

Thought For The Day

You may also access this article through our web-site http://www.lokvani.com/




Home | About Us | Contact Us | Copyrights Help