Question : Before the 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 was the number of tanks after the war?
Option 1: 2000
Option 2: 1000
Option 3: 3000
Option 4: 4000
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Correct Answer: 2000
Solution : Given: Before the battle, the ratio of tanks to planes in an army was 5 : 3. Let the number of tanks before battle = $5x$ and the number of planes before battle = $3x$. During the war, 1000 tanks and 800 planes were destroyed. So, the ratio becomes 2 : 1. According to the question, $\frac{(5x-1000)} {(3x-800)}=\frac{2}{1}$ ⇒ $5x-1000 = 6x-1600$ $\therefore x = 600$ So, number of tanks after war = (600 × 5) – 1000 = 2000 Hence, the correct answer is 2000.
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Question : In a regiment, the ratio between the number of officers to soldiers was 3 : 31 before the battle. In a battle, 6 officers and 22 soldiers were killed. The ratio became 1 : 13. The number of officers in the regiment before the battle was:
Option 1: 31
Option 2: 38
Option 3: 21
Option 4: 28
Question : In which battle was Siraj ud-Daulah defeated by Lord Clive?
Option 1: Battle of Plassey
Option 2: Battle of Buxar
Option 3: Battle of Panipat
Option 4: Battle of Haldighati
Question : An army lost 10% of its men in a war. Afterwards, 10% of the remaining soldiers died due to disease, and 10% of the remaining were declared disabled. Consequently, the strength of the army was reduced to 7,29,000 active men. What was the original strength of the army?
Option 1: 15,00,000
Option 2: 10,00,000
Option 3: 12,00,000
Option 4: 11,00,000
Question : A certain sum of money was divided between A, B, and C in the ratio of 5 : 6 : 9. If A received Rs. 450, the sum divided was:
Option 1: Rs. 2000
Option 2: Rs. 1800
Option 3: Rs. 2250
Option 4: Rs. 1000
Question : British achieved political power in India after which of the following?
Option 2: Battle of Panipat
Option 3: Battle of Buxar
Option 4: Battle of Wandiwash
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