"If Tom buys a red skateboard then Amanda buys green in-line skates". Which statement below is logically equivalent?
Answer: If Amanda does not buy green in-line skates then Tom does not buy a red skateboard
Explanation
The original statement and its contrapositive are logically equivalent. Remember that the contrapositive is the “converse of the inverse"
This question appeared in
Past Papers (2 times)
FPSC Past Papers (1 times)
IB Assistant Director Past Papers (1 times)
This question appeared in
Subjects (2 times)
MATHS MCQS (2 times)
Related MCQs
- A manufacturer buys a machine for $20,000. Its estimated life is five years with a scrap value of $10,000. Depreciation is charged on the straight-line method. What is the percentage rate of depreciation on an annual basis?
- A man buys a toy for Rs. 70 after getting a discount of 20%. What was the marked price of the toy?
- Ali buys an oven for Rs. 36800 and sells it at a gain of 8.5%. For how much does he sell it?
- A man buys an article for Rs. 27 50 and sells it for Rs. 28.60. Find his gain percent?
- A shopkeeper buys a watch for Rs. 350/- and sells it for Rs. 392/-, Find his percentage of profit?
- Ravi buys some toffees at 5 for a rupee and sells them at 2 for a rupee. His gain percent is
- Ramees buys good worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods.
- At a store everything is sold to 10% less than the price marked. If the owner buys a product for Rs. 90. What price should he mark them, if he wants to make a 10% profit on his cost?
- Ali went to a shop to buy 50 kg of rice. He buys two varieties of rice which cost him Rs. 4.5 per kg and Rs.5 per kg. He appends a total of Rs. 240. What was the quality of cheaper rice bought by him?
- If the statement "All efficient typists are good organizers" is true, which of the following conclusions logically follows?
