Verbal Reasoning - Mental Ability Questions

From the given alternative words, select the word which cannot be formed using the letters of the given word:

CONCENTRATION

The ratio of the ages of man and his wife is 4:3. After 4 years, the ration will be 9:7. If at the time of marriage, the ratio was 5:3, how many years agowere they married?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
Cell, Tissue, Organ, ?

Usha, Tulsi, Divya, Pooja, Rohit, Aakash and Aditi are facing north. Rohit is at the immediate left of Aakash, while Divya is the neighbour of Tulsi and Pooja. The one who is third to the left of Pooja is on one of the ends. Aditi is fourth to the left ofRohit. Who are the neighbours of Tulsi?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

BC, JK, RS, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

C, G, L, R, ?

In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

3 x 8 ÷ 4 - 60 + 12 = ?

‘A 4 B’ means ‘A is mother of B’, ‘A 6 B’ means ‘A is wife of B’, ‘A 8 B’ means ‘A is son of B’ and ‘A 2 B’ means ‘A is father of B’. Which of the following represents F as the grandson of V?