Question
Statements: No mouse is a keyboard. Some
keyboards are printers. All printers are scanners. Conclusions: I. Some printers are not mouse. II. All scanners may be keyboards. In each of the questions below are given three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.Solution
No mouse is a keyboard(E) + Some keyboards are printers(I) ⇒ Some printers are not mouse(O*). Hence, conclusion I follows. Some keyboards are printers(I) + All printers are scanners(A) ⇒ Some keyboards are scanners(I) ⇒ Probable conclusion ⇒ All scanners may be keyboards. Hence, conclusion II follows.
Seven boxes J, K, L, M, N, O and P are kept one above another such that bottommost box is numbered as 1 while the topmost as 7. Box M is prime numbered ...
Complete the analogy.
49 : 65 :: 64 : ?
Arrange the following vehicles in a logical and meaningful order.
1.Car
2.Train
3.Cycle
4.Truck
5.Auto-rickshaw
What will come in the place of '?' in the following equation, if '+' and '-' are interchanged and ' X ' and '÷' are interchanged?
8 - 6 ÷ 12 + ...
Which letter cluster will replace the question mark (?) to complete the given series?
RJXU, ZANB, ?, PITP, XZJW

Statement:
Some Maths are Physics
Few Physics are not Chemistry
Only English is Chemistry
Conclusion:
I. Some C...
In the following number - pairs, the second number is obtained by applying certain mathematical operations to the first number. In three of the four pai...
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
11 * 7 * 345 * 5 * 31 ...
Select the correct option that indicates the arrangement of the following words in a logical and meaningful order.
1. Word
2. Paragraph