In a certain language ‘EARNING’ is written as ‘SBFOHOJ’ then how ‘AUDIBLE’ is written the same certain language?

Select the option that has the same relationship with the third letter group as the second letter group with the first letter group?
KSJ : MUL :: RCU :?

Which two signs have to be interchanged to correct the given equation?
52 + 64 – 16 ÷ 36 × 6=20

Which two numbers have to be interchanged to correct the given equation?
55 + 32 – 4 × ( 1 × 12 ) + ( 16 ÷ 4 ) =31

Which of the following letters will come in place of the question mark to complete the given series in the group?
KUCJ, NRFG, QOID, ?

Ram started walking from a mall. First, he walked 3 km. in North direction. From there he took a right turn and walked 3 km. Then he turned right and walked 5 km. Then he again took a right turn and walked 7 km. what is the mini mum distance between Mall and Kartik's last position. 

Shyam walks northwards. After a while, he turns to his right and a little further to his let. Finally, after walking a distance of one kilometer, he turns to his left again. In which direction is he moving now?

I am facing south. I turn right and walk 20 m. Then I turn right again and walk 10 m. Then I turn left and walk 10 m and then turning right walk 20 m. Then I turn right again and walk 60 m. In which direction am I from the starting point