Question : The difference in temperature between the two bodies is 30 degrees centigrade. What is the difference in degrees Fahrenheit?
Option 1: 64
Option 2: 54
Option 3: 86
Option 4: 72
Correct Answer: 54
Solution : The correct option is 54.
To convert Celsius to Fahrenheit, multiply by 9/5 and add 32. So, 30°C * (9/5) + 32°F = 54°F. The temperature difference in Fahrenheit is 54 degrees, a whole 24 degrees higher than in Celsius. This difference highlights how Fahrenheit scales are more sensitive to smaller changes in temperature. A 1°C change equals a 1.8°F change, so a 30°C difference translates to a nearly 54°F increase.
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Question : Two numbers are in the ratio of 4 : 3. The product of their HCF and LCM is 2700. The difference between the numbers is:
Option 1: 15
Option 2: 30
Option 3: 25
Option 4: 105
Question : The ratio between the two numbers is 3 : 4. If each number is increased by 6, the ratio becomes 4 : 5. What is the difference of the numbers?
Option 1: 1
Option 2: 3
Option 3: 6
Option 4: 8
Question : If the sum of two quantities is equal to three times their difference, then the ratio of the two quantities is:
Option 1: 1 : 3
Option 2: 3 : 1
Option 3: 2 : 1
Option 4: 2 : 3
Question : Two numbers are in the ratio 5 : 3 and the difference between these two numbers is 34. Find the smaller of the two numbers.
Option 1: 51
Option 2: 85
Option 3: 68
Option 4: 34
Question : The difference between a discount of 30% on Rs. 2,000 and two successive discounts of 25% and 5% on the same amount is:
Option 1: Rs. 30
Option 2: Rs. 35
Option 3: Rs. 25
Option 4: Rs. 40
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