Question
Statements:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
No gold is a copper.                                                Some coppers are not silvers.                                                Only silvers are stones. Conclusions:                      I. All silvers may be stones.                                                II. All stones are silvers. 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 both the conclusions and then decide which of given conclusions logically follows from the given  statements disregarding commonly known facts. Give answerSolution
Only silvers are stones. ⇒ Some silvers are stones (I) ⇒ Probable conclusion ⇒ All silvers may be stones (A). Hence, Conclusion I follows. Only silvers are stones ⇒ All stones are silvers (A). Hence, conclusion II follows.Â
Average of 8 numbers is 80. If average of first four and last two numbers is 90 and 60, respectively then find the fifth number given that ratio of fift...
In a batch of 36 students, the average age is 25 years. Later, 6 new students join the batch and the average age of the entire class drops by 1.5 years....
Average weight of Shikhar, Rohit and Virat is 72 kg. Hardik joins the group and the average now becomes 65 kg. If Dhoni whose weight is 8 kg more than ...
The average of first three numbers of a set of six numbers is 60 .The average of the second, third and fourth numbers is 20 and the average of the third...
The average weight of x students in a class increases by 1.5 kg when a new student of weight 69 kg joins the class. If instead, t...
There are three distinct numbers ‘p’, ‘q’ and ‘r’. If, p = 150, (p + q) = 450 and (r – q) = 60, then determine the average of p, q and r.�...
In an examination, the average marks obtained by the students is 80. After correcting the quantitative mistakes, the average of 90 students is reduced t...
The average of 6 numbers is 35. If one of the numbers 29 is replaced by 41, what will be the new average of the 6 numbers?
A and B started a business investing Rs. 1500 for ‘x’ months and Rs. 1800 for 10 months, respectively. Out of total profit of Rs. 5000, profit shar...
The average height of each student in a class of 20 students is 125 cm. If 10 new students joined the class, then the average height of the each student...