Quantitative Aptitude - Arithmetic Ability Questions

If x = 3+13, then the value of x-12642x-1x-233 is

Two identical hemispheres of maximum possible size are cut from a solid cube of side 14 cm. The bases of the hemispheres are part of the two opposite faces of cube. What is the total volume (in cm3) of the remaining part of the cube?

30% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?

Keerthana takes 9 hrs 20 min in walking a distance and riding back to same place where she started. She could walk both ways in 11 hrs 15 min. The time taken by her to ride back both ways is

Which of the following will yield a recurring decimal?

The diagonal of a cube is 192 cm. Its volume in cm3 will be 

If a+1a=2 then the vealue of a5+1a5 will be

The mean of marks secured by 60 students in division A of class X is 66, 45 students of division B is 62 and that of 75 students of division C is 60. Find the mean of marks of the students of three divisions of Class X.