DMRC Civil Engineering Paper-1 2015

Union Government appointed four brand Ambassaders for Digital India Programme recently. Who among these is an author and ethical hacker:

What is the chronological (first published first and so on) correct sequence of the following books?
1. Richard Attenborough - In search of Gandhi
2. Louis Fischer - The life of Mahatama Gandhi
3. E.H. Erikson - Gandhi’s truth
4. J. Eaton - Gandhi, Fighter without a sword

In a code ‘Mumbai’ is written as ‘Sostpk’ and ‘Chennai’ is written as ‘dcfmmpk’, then “bench” will be written as:

Who is the grandmother of E?

Arrange the following rationalmembers in ascending order:
$$\frac{-7}{10}, \frac{5}{-8}, \frac{2}{-3}$$

Given that in a standard code pattern
ABCD is coded as EFGH
JKLM is coded as NOPQ
then RSTU is coded as:

In a certain code, ‘TEAMWORK’ is written as ‘NBFUJQNV’ and ‘SOME’ is written as ‘PTDL’. How is ‘PERSON’ written in that code?

How many triangles are there in the following figure?
Figure

A sphere of radius x is melted and its volume is divided into two equal parts. One part is cast into a cylinder of height 10 cm. and second a cone of the same height. The ratio of the cylinder radius to the cone radius is:

Sukriti and Saloni are athletes. Sukriti covers a distance of 1 km in 5 minutes and 50 seconds, while saloni covers the same distance in 6 minutes and 4 seconds. If both them start together and run at uniform speed, by what approximate distance will sukriti win a 5 km mini marathon?