Choose the INCORRECT alphabet pair.

QR, ST, UV, WX, WZ

Select the number that can replace the question mark [?] in the following series.

A can complete a work in 12 days, and B in 16 days. They work together for 3 days. How much work is left?

A can do a piece of work in 20 days. He worked for 8 days. Then B alone finishes the remaining work in 12 days. In how many days can B complete the whole work alone?

In a mixture, the ratio of milk to water is 7:2. If 9 liters of water is added, the ratio becomes 7:5. Find the original quantity of milk.

Directions: There are 11 members in a family. Anisha and Anish are sister and brother respectively, whose father's sister's father is Ashish, who is the husband of Anamika. Ajay and Akash are brothers of Arzoo and Anju is the wife of Akash, whose son is Anish. Aman is the brother of the grandmother of Anisha. Aisha is the mother of Anjali, whose father is Aman.

How is Anju related to Ashish?

Directions: These questions are based on the following information:

‘P@Q’ means ‘Q is the mother of P’.

‘P$Q’ means ‘Q is the husband of P’.

‘P#Q’ means ‘Q is the sister of P’.

‘P&Q’ means ‘Q is the son of P’.

If ‘A#B$C&D#E’ then how is B related with E?

If CAT is coded as the sum of its letter positions, what will be the code?

Which number breaks the sequence?

0, 1, 1, 2, 4, 8, 13