Quantitative Aptitude - Arithmetic Ability Questions

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

What is the area (in sq cm) of an equilateral triangle of side 14 cm?

A businessman imported Laptops, worth Rs 210000, Mobile phones worth Rs 100000 and Television sets worth Rs 150000. He had to pay 10% duty on laptops, 8% on Phones and 5% on Television sets as a special case. How much total duty (in Rupees) he had to pay on all items as per above details?

If 7/8th of 5/4th of a number is 315, then 5/9th of that number is _____

If the value of √42 is approximately 6.480, then what is the approximate value of √(6/7)?

Find the odd word/letters/numbers pair from the given alternatives.

If 5/2 - (6/5)(x - 15/2) = -x/5, then what is the value of x?

If a+1b = 1 and b+1c = 1 then c+1a = ?