RRB Group-D 20th Sep 2018-shift -2

Two pipes A and B can fill an empty cistern in 1.8 and 2.7 hours, respectively. Pipe C can drain the entire cistern in 4.5 hours when no other pipe is in operation. Initially when the cistern was empty Pipe A and Pipe C were turned on. After a few hours Pipe A was turned off and Pipe B was turned on instantly. In all it took 5.5 hours to fill the cistern. For how many hours was Pipe B turned on?

Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statement(s).
Statements:
• No Raccoon is Fox
• Some Fox are Hyena
Conclusions:
1. Some Hyena are Foxes
2. Some Foxes are Raccoons
3. No Raccoon is Hyena

Mridula runs a small pet shop. Her expense distribution is given as:
90% in procurement and 10% in paying rents and electricity. If she spends ₹ 15,000 on rent and electricity on a monthly basis. then how much does she spend every month in procurement?

Supriya is the sister of Akhil. How is Akhil's father's mother related to Supriya?

Find the missing number in the following series.
7, 10, 14, ?, 25, 32

Calculate the current drawn from a generator having a voltage output of 220 V when connected to a motor having a power of 1100 W.

Read the given statements and the following conclusions carefully and select which of the conclusions logically follow(s) from the statements.
Statements:
• All vessels are pot.
• All pot are mud.
Conclusions:
1. All vessels are mud.
2. Some mud are pot.

The work done by friction is not lost but is transferred as .......... energy.

Which figure follows next in this pattern:

The length of each of the sides of a rhombus is given as 5 m and the length of one of its diagonals is 2.8 m. Find the area of the rhombus.