Quantitative Aptitude - Arithmetic Ability Questions

If 2x-y2+(3y-2z)2=0,then the ratio of x:y:z is

A man travels 430 kilometres in, partly by rail and partly by steamer. He spends 10 hours more time on steamer. If the velocity of the steamer is 25 km/hr and the velocity of rail is 65 km/hr, how much distance does he cover by steamer?

In a circle of radius 8 cm, AB and AC are two chords such that AB = AC = 12 cm. What is the length of chord BC?

After a discount of 23% an article is sold for Rs 1848. What is the marked price (in Rs) of the article?

If 50 less had applied and 25 less selected, the ratio of selected to unselected would have been 9 : 4. So how many candidates had applied if the ratio of selected to unselected was 2 : 1.

∆PQR is right angled at Q. If sinP = 12/13, then what is the value of tanR?

A shopkeeper, sold cocoa seeds at the rate Rs 1,230 a kg and bears a loss of 5%. Now if he decides to sell it at Rs 1,353 per kg, what will be the result?

Which of the following numbers will have an irrational square root?