Gloria bought the following things when she got her first salary: A cellphone for € 1572.25 A DVD player for € 5450.65 An air conditioner for € 15761.60 If her salary is €60000, how much money is she left with after all the shopping?

Radius of two circular wheels shown are 15 cm and 12 cm, respectively. The wheels are connected as gear, so they rotate with each other. If the first wheel makes 240 revolutions, find the number of revolutions made by the second wheel.

Martina rolls a cube in which the letters Q, G, R, I, E and H appear on faces 1, 2, 3, 4, 5, and 6, respectively. What is the fraction of symmetric letters (either horizontal or vertical) on the cube?

There are two teams of two people each competing in a relay race. The race is for 1km, and each member of a team has to run 500 meters Benedetta and Elena are in one team, and the Silvia twins form the second team. Benedetta can run 500 meters in

1

53

60

minutes. Elena can run 500 meters in

1

29

30

minutes. Each of the Silvia twins can run 500 meters in

1

13

15

minutes. Which pair will win the race and by how much time?

A.

Benedetta and Elena will win the race by 4 seconds

B.

Silvia twins will win the race by 4 seconds

C.

Silvia twins will win the race by 7 seconds

D.

Benedetta and Elena will win the race by 7 seconds

An amount of € 5250 is made up with the notes of denominations € 100, 50, 20, and 10. The number of €10 notes are 5 times the number of €20 notes. The number of €20 notes are 4 times the number of €50 notes. The number of €50 notes are 5 times the number of €100 notes. How many total notes of denomination €20 are there?