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Consider the following statements.
1. All valid arguments contain only true premises and a true conclusion.
2. Some valid arguments contain only false propositions - false premises and a true conclusion.
3. All valid arguments contain only false propositions all premises are false, conclusion is false as well.
Which of the above statements is correct?
Consider the following statements : I. Every equilateral triangle is necessarily an isosceles triangle. II. Every right-angled triangle is necessarily an isosceles triangle. III. A triangle in which one of the median is perpendicular to the side it meets, is necessarily an isosceles triangle. The correct statements are:
Consider the following statements :I. Every equilateral triangle is necessarily an isosceles triangle.II. Every right-angled triangle is necessarily an isosceles triangle.III. A triangle in which one of the median is perpendicular to the side it meets, is necessarily an isosceles triangle.The correct statements are:
If WORK = 7935, ROCK = 3587 AND WART = 1945, which digit stands for T? A. Either 9 or 1 B. Either 8 or 1 C. Either 4 or 5 D. Either 1 or 4
Eight girls A, B, J, K, P, R, L, and T are sitting around a circular table facing the center (not necessarily in the same order). J is sitting opposite P. Either A or B are immediate neighbors of K. T and L are immediate neighbors. J is second to the right of K. Either T or L is to the immediate right of J. If A is to the immediate left of P and L is to the immediate left of A, then which of the following statements about R can be true?
Six people are sitting in two parallel rows containing three people each, in such a way that there is an equal distance between adjacent persons. In row 1, P, S and T are sitting (but not necessarily in the same order) and all of them are facing South. In row 2, U, Q and R are sitting (but not necessarily in the same order) and all of them are facing North. Therefore, in the given seating arrangement each member seated in a row faces another member of the other row. U sits in the extreme left end position and faces P. S sits in the middle and doesn’t face R. Who amongest the following faces T?
Study the given information carefully and answer the question that follows. In a boat, people are sitting in two parallel rows, with five people each in a row, in such a way that there is equal distance between adjacent persons. In the first row, Mani, Nani, Alex, Puri and Tuli are seated (not necessarily in the same order) and all of them are facing south. In the second row, Sharma, Atkin, Putin, Neha and Priya are seated (not necessarily in the same order) and all of them are facing north. Therefore, people in the opposite rows face each other in this arrangement. Priya sits third to the right of Atkin. Atkin sits at one of the extreme ends. Sharma sits second to the left of Priya. The person facing Sharma sits to the immediate right of Nani. Puri sits second to left of Nani. Mani is not an immediate neighbour of Nani. Only two people sit between Mani and Alex. Neither Nani nor Mani faces Neha. Who among the following is facing Tuli?
If –2 ≤ b ≤ 2, –4 ≤ a ≤ –1, –4 ≤ d ≤ –1 and c =bd/a, then which of the following is necessarily true?1)   If –2 ≤ b ≤ 2, –4 ≤ a ≤ –1, –4 ≤ d ≤ –1 and c =bd/a, then which of the following is necessarily true?
Each of the 6 friends – A, B, C, D, E, and F wears a different branded shirt among Polo, Reebok, Adidas, Gap, Milan and Lava of six different colours among Red, Blue, Green, White, Pink and Black not necessarily in the same order. C wears a red colour shirt which is neither Polo nor Lava. A wears Reebok shirt which is neither black nor pink in colour. Either E or F wears white shirt. B wears Gap shirt which is not pink in colour. D wears either Adidas or blue shirt. E wears blue shirt which is not Lava. The Gap shirt is in which colour?
In the question below, some statements are given followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusions logically follows the given statements. Statements: I. All Eagle are Lizard. II. All rabbit are snake. III. All snake are Eagle. Conclusions: I. All Rabbit are Lizards. II. All Eagle are Rabbit. III. All Lizard are Snake. IV. All Snake are Lizard.