Quantitative Aptitude - Arithmetic Ability Questions

A book seller allowed 10% discount on printed price. He gets 30% commission from publisher. His profit in percent will be

If 2x - 3(2x - 2) > x - 1 < 2 + 2x; then x can take which of the following values?

One of the diagonal of a rhombus is 70% of the other diagonal. What is the ratio of area of rhombus to the square of the length of the larger diagonal?

A shop keeper allows 20% discount on the marked price on his articles. Find the marked price of an article for which he charges Rs. 740

If A : B = 1 : 4 and B : C = 2 : 3, then what is A : B : C?

A car travels a certain distance at 24 km/h and comes back at 36 km/h. Find the average speed for total journey.

A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?

In a match, average of runs scored by 7 players is 53. If the runs scored by 6 players are 121, 40, 26, 56, 37 and 48, then how many runs did the 7th player scored?