Quantitative Aptitude - Arithmetic Ability Questions

If 7x - [3(2x - 3)]/2 = 1/2, then what is the value of x?

Average of the height of 251 students of a school is 48. If the average of the height of the boys is 51 and the average of the height of the girls is 29, then what will be the ratio of the total height of boys and the total height of girls respectively?

Select the odd word/letters/number/number pair from the given alternatives.

If (4x - 3) - (2x + 1) = 4, then the value of x is

If 11+11+11+1x = 58, then what is the value of x?

A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is

The price of an article is discounted by 25%, to restore to its original value, the new price must be increased by

If 'Q ' means ' +', 'J ' means ' X',T ' ' means '- ' and 'K ' means '÷ ', then what is the value of18K3Q7J ?