Quantitative Aptitude - Arithmetic Ability Questions

If xy = -30 and x2 + y2 = 61, then find the value of (x + y).

The angles of a triangle are in the ratio 1 : 1 : 4. If the perimeter of the triangle is k times its largest side, then what is the value of k?

Find the remainder in the expression 550×651×6627?

P and Q can do a project in 60 and 30 days respectively. In how many days can they complete 90% of the project if they work together?

If 3/4 of the weight of a brick is 7/8 kg, then 5/7 of the weight of the brick will be

A bank offers 15% compound interest per half year. A customer deposits Rs 2400 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

The product of the ages of Swati and Aparna is 120. If thrice the age of Aparna is more than Swati's age by 2 years, find the age of Swati.

Average of the runs of 133 players of a team is 38. If the average of the runs of the male players is 43 and the average of the runs of the female players is 24, then what will be the ratio of the total runs of male players and the total runs of female players respectively?