Questions

∆DEF is right angled at E. If m∠F = 45°, then find the value of (cosecD - 1/√3).

Who Invented the computer mouse?

Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s

Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.

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

Mayur's second promotion in eleven months confirms he is at the __________ of his career.

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

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'.

Some are born great.(A)/Some achieve greatness(B)/and some had greatness thrust on them.(C)/No error(D)

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

During a depression even the affluent middle class struggles to _______ out a living.