Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word from the given alternatives.

If 5x = 30-y = 6z, then what is the value of (xy + yz + zx)/xyz?

There were 35 studentsina hostel.Ifthenumber of studentsbe increased by 7, the expenditure on food increases by Rs 42 per day while the average expenditure of studentsis reduced by Rs 1. What was the initial expenditure on food per day?

What would be the smaller of the two angles formed by the hour hand and the minute hand at 3:47 p.m?

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

53.01 - 345.02 ÷ 22.99 = 2 ×(?)

A vendor buys bananas at 7 for Rs 6 and sells at 6 for Rs 7. What will be the result?

Length of two trains are 150 m and 200 m respectively and the ratio (shorter: longer) of their speed is 2 : 5. If they cross each other in opposite direction in 15 second then in what time faster train will overtake the slower train.

An army of 12000 consists of Europeans and Indians. The average height of a European is 5ft 10 inches and that of an Indian is 5ft 9 inches and that of the whole army is 5ft 9 3/4 inches. Then the number of Indians in the army is ?