Questions

In ∆ABC, ∠A = 90°, AD ⊥ BC and AD = BD = 2 cm. The length of CD is

If x+1x = 2, then x2+1x2 = ?

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

A hollow object used to contain something.

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'.

Radium is so expensive that you (1)/ could be a millionaire if you own (2)/ only half a pound of it! (3)/ No error (4)

A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4seconds.

Which of the following is an ore of iron?

______ Disk Encryption is a technology (hardware or software) where data is encrypted before storage.