Identify the incorrect letter in the series: A, B, D, E, G, H, J

B. D

If the word 'CAT' is coded as 3120, what is the code for the word 'DOG'?

A. 4157

Arrange the following words in alphabetical order: Apple, Banana, Apricot, Cherry.

B. APRICOT

In a code language, 'FISH' is coded as '6148' and 'BIRD' is coded as '2974'. What is the code for 'H'?

A. 8

A cyclist covers a distance of 120 kilometers in 4 hours. If he increases his speed by 10 km/h, how long will it take him to cover the same distance?

B. 2.5 HOURS