RRB JE 31st May 2019 Shift-2

Who among the following is directly responsible to the Parliamentfor all matters concerning the Defence Services of India ?

Complete the series.
18, 9, 9, 13.5, 27, (…)

Raj and Roy are standing at point B. They start walking in opposite directions. Raj walked 3 km and Roy walked 4 km. Then, Raj turned right and walked 4 km and Roy turned left and walked 3 km. How far is each from the starting point?

Read the following information carefully and answer the question given below.

Five friends Abi, Chithra, Rekha, Priya and Divya are sitting on a bench facing north. Abi is sitting next to Chithra. Priya is sitting next to Rekha. Priya is not sitting with Divya. Divya is on the left end of the bench. Rekha is on the second position from the right. Abi sits to the right of Chithra. Abi and Rekha are sitting together.
What is the position of Chithra ?

Which of the following countries will host the 2020 men's T20 World Cup ?

What is the chemical formula of caustic potash ?

The chief ore of copper is-

What is the relation between the speed of sound through sea water v, the time interval between transmission and reception of ultrasound signal t and the total distance travelled by the ultrasound 2d, in a SONAR ?

Simplify: $$  7 \div [(11 - 5) \div {(5 - 1) \div (4 + 6 \div 20)}] $$

Ratio of principal to the amount got after a certain time at a certain rate of Simple Interest is 4 : 5. After three more years, the ratio becomes 5 : 7. What is the rate of interest?