In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word

Palliate

What is the percentage of oxygen in Al2(SO₄)3?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the fourand indicate it by selecting the appropriate option

She must ______ a great time at her birthday party.

In the following question, the sentence given with blank to be filled with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Ignoring someone in pain is an ______ act

Which of the option figures bears the closest resemblance to the question figure?

A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/sq.s) is:

A person clapped his hands near a cliff and heard echo after 6 s. The distance of the cliff from the personis: [take v = 346 m/s]

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'.
 
1. Cybercrime cases pose various kinds of
2. Challenges which requires strengthening of
3. The institutional mechanism.
4. No error