In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.

adb _ ac _ da _ cddcb _ dbc _ cbda

The series is adbc acbd abcd dcba dbca cbda.

Thus, the letters equidistant from the beginning and the end of series are the same.

.
In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

?, siy, oeu, kaq, qwm, cri

The letters in each term are moved four steps backward to obtain the corresponding letters of the next term..

To train starting at the same time from two station to 50 km apart and going in opposite directions cross each other at a distance of 170 km from one to two of the station. What is the ratio of their speeds?

In same time to cover 170 km at a kilometre respectively.

For the same time speed and distance is inversely proportional.

Suresh of the speed=17:80=17:8

.
In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. MHZ, NIW, OKT, PNQ, ?

The first letters of the terms are consecutive letters. The third letter of each term is moved three steps backward to obtain the third letter of the successive term. The middle letters of the first, second, third and fourth terms are moved one, two, three and four steps forward respectively to obtain the middle letter of the successive terms.

.
X introduces Y saying, he is the husband of the Grand daughter of the father of my father.How is Y related to X?

The relations may be analyzed as follows.

Father's father-- grandfather,

Grandfather,s and Grand daughter-- sisters,

Sister,s husband- brother in law,

so Y is X,s brother in law.

Hence the answer is( C).

.
In following questions, three sequence of alphabets/numerals are provided which correspond to each other in some way. Find out alphabets/numerals that come in the blank places. Choose the correct option

_ A C _ B D _ C D C D 2 _ 4 1 _ 1 4 _ _ _ _ c d _ b c _ a ? ? ? ?

Clearly, 4 corresponds to C and a corresponds to 4.

So, a corresponds to C.

1 corresponds to D and b corresponds to 1.

So, b corresponds to D.

Thus, CDCD corresponds to a, b, a, b.

.
A man has a daughter and a son. The son is is three years older than the daughter. In one year the man will be six time as old as the daughter is now. In ten years the man will be fourteen years older than the combined ages of his children at that time. what is the man's present age?

Let's the age of daughter=x

age f son = x+3

age of father now=6x-1

condition:

M+0={(S+D)+ 10}+14]

6x-1=[{(x+3)+10}+14]

4x=28

x=7

Father's age=(6x-7)-1=41

.
In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.

_ bcdbc _ dcabd _ bcdbc _ dc _ bd

The series is abcd / bcad / cabd / abcd / bcad / cabd. Thus, the pattern abcd / bcad / cabd is repeated twice.

.