Quantitative Aptitude - Arithmetic Ability Questions

Find  two  natural  numbers  whose  sum  is  85 andtheleast common multiple is 102.

The average of 100 observations was calculated as 35.It was found later, that one of the observation was misread as 83 instead of 53. The correct average is :

If 3.5x = 0.07y, then find the result of [y-x / y+x]

Find the value of x if 0.08x + 0.04y = 10 and 0.2(x-1) + 0.4y = 24.8

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

If  x = 2+3,then what is the value of 2x + 12x ?

Vinay professes to lose 4% on sugar and uses a weight of 620 gm instead of 1 kg. What is the total profit percentage?

The average salary of all workers in a workshop is Rs.12000. The average salary of 7 technicians is Rs.15000 and the average salary of the rest is Rs.9000. The total number of workers in the workshop is