Quantitative Aptitude - Arithmetic Ability Questions

Coefficient of x2 in 6x3 + 4x2 + 2x + 3 is

What is the value of 1.23+0.83+0.73-2.0161.351.22+0.82+0.72-0.96-0.84-0.56 =

What is the value of xy if x - y = 3 and x2+y2=15?

Cost price of a watch is Rs 530. If the loss percentage is 24%, then what is the value (in Rs) of loss?

Select the odd letters from the given alternatives.

The sum of the length and breadth of a rectangle is 6 cm. A square is constructed such that one of its sides is equal to a diagonal of the rectangle. If the ratio of areas of the square and rectangle is 5 : 2, the area of the square in cm2 is

The sum of ages of 4 children born at intervals of 4 years each is 60. What is the age of the youngest child?

The length of diagonal BD of a parallelogram ABCD is 36 cm. P and Q are the centroids of triangle ABC and triangle ADC respectively. What is the length (in cm) of PQ?