Select the correct answerBefore a battle the ratio of tanks to planes in an army was 5 : 3. During the war 1000 tanks were destroyed and 800 planes were destroyed. The ratio of tanks to planes became 2 : 1. What is the number of tanks after the war?Options1000200030004000

An airplane has 50 seats. 49 of the seats are empty. What is the ratio of the number of empty seats to the total number of seats?Write your answer as two numbers separated by a colon (for example, 2:3).

The soldiers in two armies when they met in a battle were in the ratio of 10 : 3. Their respective losses were as 20 : 3 and the survivors as 40 : 13. If the number of survivors in the larger army be 24,000, find the original number of soldiers in each army ?

In a toy store, the ratio of toy cars to toy planes is 4:9. If the store has 50 more toy planes than toy cars, how many toy planes are there?

A group of students brought two tanks of water to clean the classroom.Tank A held 5,415 ml of water and Tank B held 5,705 ml of water. The water from both tanks was poured into Tank C which was empty. What was the volume of water in Tank C, rounded to the nearest thousand ml?

Tank A holds 5,032 ml of water and Tank B holds 9,508 ml of water. The water from both tanks is poured into Tank C which is empty. What is the volume of water in Tank C, rounded to the nearest hundred ml?