Questions

What of the given below devices converts chemical energy to electrical energy?

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

Which one of the following countries does not have football as their national sport?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

The postman travelled by the cycle, often wading through (1)/ swamps or passed through jungles (2)/in order to reach the villages (3)/ No error (4)

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Violence takes a heavy toll and affects public life ______. High or low, known or unknown, rich or poor, popular or unpopular, no one is safe or secure today. It
appears that one can harm anybody at any time and at ______. A mad and sad rat race is on to make money and ______ power at any cost and by any means. The
result is that no political party or group can now ______ into claim to total innocence in so far as ______ of violence against innocent person for personal or political
gains is concerned. Violent demonstrations, rallies, hartals have become the order of the day.

no political party or group can now ______ into claim.

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

Mother needs your help in the kitchen.

Consider the given statement/s to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statement.
Statements:
1. All cycles are ducks.
2. All ducks are swans.
Conclusions:
I. All swans are cycles.
II. Some swans are cycles.

Arrange the following words as per order in the dictionary and then choose the one which comes last.