Quantitative Aptitude - Arithmetic Ability Questions

Which of the following value of 'x' satisfies the equation 814x+4 = 2432x+8?

What is the area (in sq cm) of a rectangle of perimeter 48 cm and breadth 10 cm?

What is the slope of the line parallel to the line passing through the points (-2, -1) and (4, -3)?

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

The marked price of an article is Rs 1200 and retailer gets a discount of 25%. If he sells that article for Rs 1200, then what is the profit percentage of retailer?

The mean of 12 observations is 15. One more observation is included and the new mean becomes 16. The 13th observation is

Ramesh uses a weight of 930 gm instead of 1 kg and sells sugar on its cost price. What will be his profit percentage on selling 15 kg sugar?

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