Quantitative Aptitude - Arithmetic Ability Questions

Which of the following value of 'x' satisfies the equation 814x+4 = 2432x+8?

The mean of marks secured by 60 students in division A of class X is 64, 40 students of division B is 60 and that of 60 students of division C is 58. Find the mean of marks of the students of three divisions of Class X.

If sinθ+ cosecθ=2, then the value of sin-7∅+cosec7∅ is

Two smaller circles touch a large circle internally and pass through the center O of the larger circle. If the diameter of the bigger circle is 28 cm, thenwhat is the area of the bigger circle which is not enclosed by the two smaller circles (in sq.cm)?

The vertical angle A of an isosceles triangle ΔABC is three times the angle B of it. The measure of the angle A is

Four numbers, when arranged in ascending order, are w, x, y and z. The average of the smallest three numbers is 18, while the average of the largest three was 22. What is the range of the data?

HCF of two numbers is 19 and their LCM is 665. If one of the number is 95, find the other.

If the shopkeeper sells an item at Rs 1000 which is marked as Rs 1250, then what is the discount he is offering?