Quantitative Aptitude - Arithmetic Ability Questions

What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?

3 hrs after a goods train passed a station, another train travelling at a speed of 88 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

874.96 + 94.0091 × 34.98 –1244.98 = ?

In the following question, select the odd word pair from the given alternatives.

If x – 3 + [1/(x – 3)] = 4, what is the value of [(x – 3)3+ [1/(x – 3)3]?

Aditya got 78% marks in the examination. If he secured 663 marks, find the maximum marks.

56% of 250 is

If a(a + b + c) = 45, b(a + b + c) = 75 and c(a + b + c) = 105, then what is the value of (a2 + b2 + c2 )?