The average of 10 numbers is 30. If at the time of calculation one number was wrongly taken as 36 instead of 69, then what will be the correct average?
In September 2017, a Nation Wide campaign was launched to sensitise women about the preventive care for cancer. The theme of this Campaign was‘Nurturing the Nurturer’. Who launched this Campaign?
Calculate the length of the tangent (in cm) which is drawn from a point at a distance of 13 cm from the centre and the largest chord of that circle is 10 cm.