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No motorcycle is a bike (E) + Some bikes are scooters (I) = Some scooters are not motorcycles (O). Hence, Conclusion I will follow. No motorcycle is a bike (E) ⇒ Conversion ⇒ No bike a motorcycle (E).Hence, Conclusion II will follow.
In a competitive examination containing 200 questions, 2 marks are awarded for every correct answer and 1 mark gets deducted for every wrong answer. If ...
In a test, P got 25% of total marks and failed by 60 marks while Q got 45% of total marks which is 23 more than passing marks. Find the total marks of t...
A man donated 22%, 11% and 26% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums re...
In physics examination a student scored 45% marks in the first paper out of 160. How much percent marks should he score in the second paper out of 140 m...
The population of a village increase at the rate of 10% during the first year and decreases at the rate of 20% during the second year. If it has 20240 i...
A girl found the answer for the question “subtract the sum 1/2 and 1/8 from unity and express the answer in decimals” as 1.5. The percentage of ...
If the radius of the base of a right circular cylinder is increased by 20% and the height is decreased by 30%, then what is the percentage increase/decr...