Verbal Reasoning - Mental Ability Questions

What will come in place of the question mark (?) in the given question?

452 + 312 ÷ 13 = 34 * ?

Which of the following terms follows the trend of the given list?

ABCABABAB, CABABABAB, ABABABACB, ABABACBAB, ABACBABAB, _______________.

In the following question, select the missing number from the given series.

14, 17, 21, 24, 28, 31, ?

Find the missing number in the following series:

43, 172, 86, 344, ?

Ajay and Vijay have some marbles with them. Ajay told Vijay "if you give me 'x' marbles, both of us will have equal number of marbles". Vijay then told Ajay "if you give me twice as many marbles, I will have 30 more marbles than you would". Find 'x'  ?

In the following question, select the missing number from the given series.

44, 40, 36, ?, 28, 24

In the following question, one term in the number series is wrong. Find out the wrong term?

5, 10, 40, 80, 320, 550, 2560

Read the following passage and answer the questions based on it.

There are six members in a family. One couple has parents and their children in the family. Arjun is the son of Raju and Elamathi is the daughter of Arjun. Divya is the daughter of Rani who is the mother of Elamathi and Banu is the mother of Arjun.

What relationship to Divya and Elamathi bear to each other respectively?