For the following questions answer them individually
John got 20% marks in an examination and failed by 10 marks. In the same examination, Jack got 35% marks which were 20 more than the minimum passing marks. Find the percentage of minimum marks required to pass.
A shopkeeper marks his goods in such a way that after allowing a discount of 22% he gains 20%. If the cost price of the article is ₹650, then its marked price is:
If $$\left(x^{2} - \frac{1}{x^{2}} = 4\sqrt{6}\right)$$, x > 1, what is the value of $$\left(x^{3} - \frac{1}{x^{3}}\right)$$?
If the volume of one brick is 0.0014 $$m^{3}$$, then how many bricks will be required to construct a wall of length 14 m, breadth 0.125 m and height 5 m?
Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select 'No substitution'.
Greenhouse gases trapped beside Earth's atmosphere cause global warming.
Correct the spelling of the underlined word.
While driving his car, he applied breaks in time to save himself and his family from an accident.