Q1 · hard · AI-verified
How many students passed the examination?
Statement I: 80% of the students who appeared passed the examination.
Statement II: The number of students who failed is 40.
- Statement II alone is sufficient but Statement I alone is not sufficient
- Both statements together are sufficient but neither alone is sufficient
- Each statement alone is sufficient
- Statement I alone is sufficient but Statement II alone is not sufficient
Q2 · hard · AI-verified
Is the average age of 5 students in a class greater than 20 years?
Statement I: The sum of ages of all 5 students is 105 years.
Statement II: The oldest student is 25 years old and youngest is 18 years old.
- Statement I alone is sufficient
- Statement II alone is sufficient
- Both statements together are sufficient
- Either statement alone is sufficient
Q3 · hard · AI-verified
What is the area of a rectangle?
Statement I: The perimeter of the rectangle is 40 cm.
Statement II: The length of the rectangle is 3 times its breadth.
- Both statements together are not sufficient
- Statement I alone is sufficient but Statement II alone is not sufficient
- Statement II alone is sufficient but Statement I alone is not sufficient
- Both statements together are sufficient but neither alone is sufficient
Q4 · hard · AI-verified
What is the speed of the train? Statement I: The train crosses a 150m long platform in 18 seconds. Statement II: The train crosses a stationary man in 8 seconds.
- Statement II alone is sufficient
- Both statements together are not sufficient
- Statement I alone is sufficient
- Both statements together are sufficient
Q5 · hard · AI-verified
What is the speed of the boat in still water?
Statement I: The boat covers 48 km downstream in 3 hours.
Statement II: The boat covers 32 km upstream in 4 hours.
Statement III: The speed of the current is 4 km/hr.
- Only I and II are sufficient
- Only I and III are sufficient
- Only II and III are sufficient
- Any two of the three statements are sufficient