The following three objects (1) a metal tray, (2) a block of wood, and (3) a woolen cap are left in a closed room overnight. Next day the temperature of each is recorded as T1, T2 and T3 respectively. The likely situation is
option
(A) T1 = T2 = T3
(B) T3 > T2 > T1
(C) T3 = T2 > T1
(D) T3 > T2 = T1
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 ?
frank
"Die hard fro your name, your name should be enough to recognise you"