Quantitative Aptitude - Arithmetic Ability Questions

If 2+aa + 2+bb + 2+cc = 4, then the value of ab+bc+caabc is

Δ LMN is right angled at M. If m∠N = 60°, then Tan L =______.

Δ ABC is right angled at B. If m∠A = 60°, then what is the value of sec C.sin A?

If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are the mid points of the diagonals of the trapezium, then length of MN is

What is the reflection of the point (5, -2) in the line y = -1?

The distance between the points (7,7) and (k,-5) is 13. Find k?

A man starts walking at 6.30 a.m. and wants to cover a distance of 30km. His initial speed is 6 kmph and after covering three-fifth distance, he reduces his speed by 2 kmph. At what time will he complete his walk?

The average of 15 numbers is 7. If the average of the first 8 numbers is 6.5 and the average of the last 8 numbers is 8.5 then middle number is