Quantitative Aptitude - Arithmetic Ability Questions

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?

Which of the set of three sides can't form a triangle?

If 3P/7 = 4Q/11, then what is the ratio of P and Q respectively?

If 8 men can do a piece of work in 14 days, then in how much time (in days) will 7 men do the same piece of work?

Two trains are moving in the same direction at the speed of 42 km/hr and 84 km/hr, their lengths are 320 metres and 380 metres respectively. What is the time taken (in seconds) by faster train to cross the slower train?

In ΔUVW measure of angle V is 90 deg. If sinU = 24/25, and UV = 0.7cm, then what is the length (in cm) of side VW?

The variance of a set of data is 121. Then the standard deviation of the data is

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.