Question 1: He also described the Harshad numbers which he named harshad,
meaning "giving joy" (________harsha, joy +da
taddhita pratyaya, causative); these are defined by the property
that they are divisible by the sum of their digits.
Question 6: Having never received any
formal postgraduate training, for his entire career (1930-1962) he
was a schoolteacher at Nashik
in ________,
India.
Question 7: Dattaraya Ramchandra Kaprekar (17 January 1905
in Dahanu, ________ - 1986) was
an Indianmathematician who
discovered many interesting properties in number theory.