Quantitative Aptitude - Arithmetic Ability Questions

Select the odd number from the given alternatives.

The ratio between the weights of gold and silver in an alloy is 17:3. If the weight of silver in the alloy is 2.7 gm, find the weight of gold in the alloy?

A bank offers 20% compound interest per half year. A customer deposits Rs 2800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is ______.

Average of 31 numbers is 19. If the average of first 8 numbers is 24, then what is the average of the remaining numbers?

If ax - 4y = -6 has a slope of -3/2. What is the value of a?

If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?

If a+1a=1,then the value of a2-a+1a2+a+1 is a≠0

The height of a tower is 50√3 m. The angle of elevation of a tower from a distance 50 m from its feet is