CUET General Test 2023 11 June Shift 2 PYQs

If $\log_8 x = 2/3$, then the value of X is:

How many terms are there in the A.P. 3, 7, 11, ............ 407 ?

If W means '$\div$' X means '+', Y means '$-$' and Z means '$\times$' then $28Z3Y4X12W6= ?$