S can finish a piece of work in 12 days. He works for 4 days and R finishes the remaining work in 12 days. In how many days can they finish the work together?

ਇੰਤਕਾਮ ਸ਼ਬਦ ਦਾ ਅੰਗਰੇਜ਼ੀ ਅਨੁਵਾਦ ਹੈ

Post-office saving bank is a useful scheme for salaried persons.
ਉਪਰੋਕਤ ਵਾਕ ਦਾ ਪੰਜਾਬੀ ਅਨੁਵਾਦ ਹੈ

Nepotism ਸ਼ਬਦ ਦਾ ਪੰਜਾਬੀ ਅਨੁਵਾਦ ਹੈ

In an audio release event, some anchors sit in a linear row, all facing south. Only three anchors sit between Lochana and Suma. Lochana is to the right of Suma. Only two anchors sit between Suma and Gulshan. Aarohi sits second to the right of Ravi. Only three anchors sit between Aarohi and Suma. Only three anchors sit between Ravi and Priya. More than two anchors sit between Aarohi and Priya. Rashmi sits second to the right of Aarohi. Reshmi is not at the nearest place to Gulshan. More than three anchors sit to the right of Rashmi. Only three anchors sit between Lochana and Varshini.
How many persons are sitting between Aarohi and Gulshan?

In the question given below, three statements are given, followed by three conclusions I, II and III. You have to accept the given statements as true even if they seem to be at odds with the commonly known facts. Read all the conclusions and decide which of them logically follows from the given statements, ignoring commonly known facts.
Statement
Some shapes are circles.
Some shapes are spheres.
No sphere is a triangle
I) Some shapes are not triangles
II) Some circles are not triangles
III) Some circles are spheres

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it seems to be at odds with commonly known facts, decide which of the given conclusions logically follow from the statements
Statement
All girls are birds.
Some birds are students.
Some students are girls.
Conclusion
I. All girls are students.
II. All birds are girls.
III. Some girls are students.

To complete the following alphabetic sequence, the question mark (?) should be replaced by
CYP EWR GUT ISV ?