(I). Kamal is available at home from 12 noon to 4 p.m. on Tuesday, Thursday and Sunday. (II). His younger brother Navin is available at home on Monday, Thursday, Friday and Sunday between 10 a.m. to 2 p.m. (III). The eldest brother Rajiv is available between 9 a.m. to 12 noon on Monday, Wednesday and Thursday and 2 p.m. to 4 p.m. on Friday, Saturday and Sunday.
On which day(s) of a week, the youngest and the eldest brothers are available at home at the same time ?
Choose the correct alternative from the following : - Assertion (A) : Copper is used to make electric wires. Reason (R) : Copper has very low electrical resistance.
In a certain code, '256' means 'red colour chalk' ; '589' means 'green colour flower' and '245' means 'white colour chalk'. Which digit in that code means 'white' ?