In a certain code language, 'DRONE' is written as 'SERFO'. How will 'HOUSE' be written as in that language?

QJXGB PIXFT PQWGS PIVFT

PIXFT

So, D +1 E R +1 S O +3 R N +1 O E +1 F (the alphabets are arranged as cross-wise except O+3 R)  Thus, it's SERFO Similarly, H +1 I O +1 P U +3 X S +1 T E +1 F Therefore, PIXFT is correct.