Verified Answer :

77 because:
143 ÷ 13 = 11 --> 11 × 7 = 77

[you need to split the original number into thirteen parts and then take seven of those thirteen parts (7/13)]

Answer: The number would be 77.

Step-by-step explanation:

Since we have given that

\(\dfrac{7}{13}\) of 143.

As we know that 'of' stands for multiplication.

Mathematically, it is expressed as

\(\dfrac{7}{13}\times 143\)

So, According to question, it becomes,

\(\dfrac{7}{13}\times 143\\\\=7\times 11\\\\=77\)

Hence, the number would be 77.