Quantitative Aptitude - Arithmetic Ability Questions

Divide Rs. 368 in the ratio 1:5:8:9. The rupees in the respective ratios are given by

In the following question, select the odd letter/letters from the given alternatives.

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

The top of a broken tree touches the ground at a distance of 15 m from its base. If the tree is broken at a height of 8 m from the ground, then the actual height of the tree is

Which of the following triangle has the maximum area when inscribed inside the circle of same radius?

The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is

What is the largest 4 digit number which is exactly divisible by 81?

The traffic lights at four different road crossings change after every 15 sec, 18 sec, 27 sec and 30 sec respectively. If they all change simultaneously at 6:10:00 hours, then at what time will they again change simultaneously?