656: Which one of the following statements is not correct?
(a) The National Song Vande Mataram was composed by Bankimchandra Chatterji originally in Bengali.
(b) The National Calendar of India based on Saka era has its 1st Chaitra on 22nd March normally and 21st March in a leap year.
(c) The design of the National Flag of India was adopted by the Constituent Assembly on 22nd July 1947.
(d) The song "Jana-gana-mana", composed originally in Bengali by Rabindranath Tagore was adopted in its Hindi version by the Constituent Assembly on 24th January 1950 as the National Anthem of India.
657: In the given figure, if QRS is an equilateral triangle and QTS is an isosceles triangle and x = 47°, then the value (in degrees) of y will be
(a) 13
(b) 23
(c) 33
(d) 43
658: The national income of a country in a given period is equal to the
(a) total value of goods and services produced by the nationals
(b) sum of total consumption and investment expenditure
(c) sum of personal income of all individuals
(d) money value of final goods and services produced
659: The Himalayas are formed of parallel fold ranges, of which the oldest range is
(a) the Siwalik Range
(b) the Lesser Himalayas
(c) the Great Himalayan Range
(d) the Dhaula Dhar Range
660: Which one of the following figures will generate a cone when rotated about one of its straight edges ?
(a) An equilateral triangle
(b) A sector of a circle
(c) A segment of a circle
(d) A right-angled triangle