Latest IIT-JEE Aptitude Question SOLUTION: Amongst the following, the total number of compounds whose aqueous solution turns red litmus paper blue
is
KCN K2SO4 (NH4)2C2O4 NaCl Zn(NO3)2
FeCl3 K2CO3 NH4NO3 LiCN
Amongst the following, the total number of compounds whose aqueous solution turns red litmus paper blue
is
KCN K2SO4 (NH4)2C2O4 NaCl Zn(NO3)2
FeCl3 K2CO3 NH4NO3 LiCN
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 ?
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