Solution:

Let me rewrite the expression:

R > O = A > S < T

To solve this type of question, it is better to check each option and test it for its truthfulness.

- O > T

T > S < A = O

T>S<O (because A = O)

In the above expression, two symbols (>,<) are in opposite direction. According to inequality rules when two different symbols with equal priority make a relationship with variables, the conclusion would be false.
In this expression, S is less than T and it is also less than O. So, the relationship between T and O is undefined. T could be > or < or = with respect to O. To make it clear, suppose S is 30 and T is 50.

S<T or 30<50.

Now what would be the value of O.

O could be 40, greater than S but less than T.

O>S; T<O

O could be 50, which is greater than S but equals to T.

O>S; O=T

O could be 60, which is greater than S and also greater than T

O>S; O>T

Hence, conclusion O> T is false.

- S < R

S< A = O < R

S<A<R
S is less than A which is equals to O. A and O both is less than R,

Hence, S < R. It’s true.There is no need to solve further as we get the answer (2) S < R

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