- 04/15/2019 at 5:10 am #487661EduGorillaKeymasterSelect Question Language :
The number of connections C that can be made through a switchboard, to which T telephones are connected, is given by the formula C = T (T – 1)/2. How many more connections are possible with 30 telephones than with 20 telephones?
Post your Training /Course EnquiryAre You looking institutes / coaching center for
- IIT-JEE, NEET, CAT
- Bank PO, SSC, Railways
- Study Abroad