Question
There are 15 natural numbers whose average is 30.6. The
average of the first 8 numbers is 28, and the average of the last 8 numbers is 33. Find the eighth number in this sequence.Solution
Sum of all 15 natural numbers = 30.6 X 15 = 459 Required, eighth number = 8 X 28 + 8 X 33 - 459 = 224 + 264 - 459 = 488 - 459 = 29
Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at varianc...
Statement
Only a few Pink is Black
Some Black is White
All White is Red
Conclusion
I) Â Some Black is Red
Statements:
All oranges is apples.
Some apples is pears.
Only a few pears is watermelon.
Conclusions:
I. Some pears c...
Statements:
Only buses are cars
Only a few buses are trains
No train is a bike
Conclusions:
I. Some cars is being bik...
Statement:
I) Some colour are nice
II) Some nice are floor
III) No floor is blue
IV) All colour are good
Conclusio...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
Statements:
A few Red is Green.
60% Black is Green.
Only Green is Pink.
Conclusion:
I. No Pink is Black.
II. Some Black is Red.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
Select the option that is related to third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
EX...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
