Find out what happened in India on“17 May”

17 – May 1969 WORLD TELECOMMUNICATION DAY: World Telecommunication Day has been celebrated annually on 17 May since 1969, marking the founding of ITU and the signing of the first International Telegraph Convention in 1865. It was instituted by the Plenipotentiary Conference in Malaga-Torremolinos in 1973.The purpose of World Telecommunication and Information Society Day (WTISD)

HCF & LCM

1. A rectangular courtyard 3.78 m long and 5.25 m broad is to be paved exactly with square tiles all of the same size. Find the number of tiles? A) 441                   B) 450 c) 480                    D None of these EXPLANATION: 3.78 meters =378 cm = 2 × 3 × 3 × 3 ×