Question
Three numbers a, b and c are co-prime to each other
such that ab = 63 and bc = 77. Find the value of (a + b + c).Solution
Given, ab = 63 and bc = 77 Therefore, their H.C.F = b = 7 Therefore, a = 63/7 = 9 And, c = 77/7 = 11 Therefore, a + b + c = 9 + 7 + 11 = 27
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performe...
Statement: Some gold is silver. All are silver metal.
Conclusion:
i) Some gold are metal.
ii) Some metals are silver.
Select...
Five friends Alex, Ben, Chris, David, and Emma are sitting around a circular table facing the center. Alex sits to the immediate right of Ben. Alex is n...
Select the option that arranges the following words in a logical and meaningful order.
1. Pupa
2. Egg
3. Adult
4. Larva
LRPN is related to SYWU in a certain way based on the English alphabetical order. In the same way, IOMK is related to PVTR. To which of the following is...
In a class of 100 students for a social activity, 50 liked to go for tree planting and 70 liked to go for cleanliness drive. 10 students did not like e...
Seven boxes – A, B, C, D, E, F and G are kept one above the other in stack. G is kept at the bottommost position. A is kept immediately above G. There...
Statements: Some chargers are metal. All metal are hard. Some hard are stools.
Conclusion I: All chargers are metal.
Conclusion II: Some stools are hard.
How many pages of book Z did Sania read on Sunday?
Statement 1 – The book has 300 pages out of which two-thirds were read by her before Sunday<...
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