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In a city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city has neither black hair nor black eyes?
In a certain city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city have neither black hair nor black eyes?
Below are given statements followed by four conclusions. You have to take the given statements to be true even if they appear to be at variance with commonly known facts, and then decide which of conclusions logically follows from the given statements. Statements: Some TV are LED. Some LED are LCD. All LCD are black. No black is white. Conclusions: I. Some LED are not white. II. Some TV are black. III. All black are LCD. IV. Some black are LCD.
The proposition ‘No red is black’ is equivalent to which of the following propositions? (i) No black is red (ii) All red are black (iii) Some red are not black (iv) Red is not black Select the correct answer from the options given below:
The length of a survey line was measured with a 20 m chain and was found to be equal to 1200 m. If the length again measured with 25 m chain it is 1212 m. On comparing the 20 m chain with the test gauge, it was found to be 1 decimeter too long. Find the actual length of 25 m chain used.
The length of a rectangular field F is 3 km greater than the side of a square field M , and the width of field F is 3 km less then the side of field M. If the area of field M is m2 square km, what is the area of field F?
The perimeter of a rectangular field is fourth times of the perimeter of a square field. The ratio of the length of the rectangular field to the side of the square field is 6:1 and the diagonal of the square is 5√2 cm. Then, the area of the square field is what percentage of the area of the rectangular field?
The statements below are followed by two conclusions labelled I and II. Assuming that the information in the statements is true, even if it appears to be at variance with generally established facts, decide which conclusion(s) logically and definitely follow(s) from the information given in the statements. Statements: All black are colours. All blue are colours. Conclusions: I. No blue is black. II. Some black are blue.
The statements given below are followed by three conclusions labelled I, II and III. Assuming that the information in the statements is true, even if it appears at variance from generally established facts, decide which conclusion(s) logically and definitely follow(s) from the information given in the statements. Statements: I. Some green are red. II. All red are black. II. No green is white Conclusion: I. Some black are green. II. No red are black. III. All white are green
Statements: Some bottons are black. Some bottons are pink. All black are pearl. Conclusion: I. Some pink are black. II. All black are bottons. III. Some bottons are pearl.