Q. When teaching ‘shapes’, a teacher can plan a trip of historical places as
Option
(1) she has completed most of the syllabus well in time and needs to provide leisure
(2) it would be a good break from the routine mathematics class and an
opportunity to improve communicative skills
(3) field trips have been recommended by CBSE, so they are a must
(4) shapes are an integral part of any architecture and such trips encourage
connections across disciplines
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?