Quantitative Aptitude - Arithmetic Ability Questions

Cost of 4 pens, 6 note books and 9 files is Rs 305. Cost of 3 pens, 4 notebooks and 2 files is Rs 145. What is the cost (in Rs) of 5 pens, 8 notebooks and 16 files?

If 2(5x - ­4) -­ 2 < 2x ­- 1 < 4x - ­2; then the value of x is

A tetrahedron has 4 vertices. How many edges does it have?

The average of 8 consecutive integers is 23/2. What is the average of first three integers?

Length and breadth of a rectangle are increased by 40% and 70% respectively. What will be the percentage increase in the area of rectangle?

Find the odd word/letters/number pair from the given alternatives

If 1/√(1 -­ sin2A) = x, then the value of x is

What is the value of ( 1/3 + cosec30)?