Question
Pipe A can fill a tank in 12 hours. Pipe B can empty the
same full tank in 18 hours. If both pipes are opened together when the tank is empty, in how many hours will the tank be full?Solution
ATQ, Let capacity = 36 units (LCM of 12 and 18). A’s filling rate = 36/12 = 3 units/hour B’s emptying rate = 36/18 = 2 units/hour Net rate = 3 − 2 = 1 unit/hour Time = 36 / 1 = 36 hours
Select the correct option that indicates the arrangement of the following words in a logical and meaningful order.
1. milli
2. nano
statement : Q > R ≥ S = V = Y > H < N
conclusion :
I. Q < S
II. Y < R
What should come in place of the question mark (?) in the given series based on the English alphabetical order?
WKG UHC SEY QBU OYQ ?
What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–‘ are interchanged and ‘×’ and ‘÷’ are interchanged?<...
Statement: H
F ≥ U = M conclusion:
i) M> I
ii) P>
iii) H
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is rela...
In the following equation, which of the two signs will be interchanged to get the correct equation?
119 - 21 ÷ 7 + 117 × 3 = 11
Four of the following five are somehow similar and therefore create a group. Which of these is not related to this group?
Wander, Saunter, Roam, ...
Arrange the given words in the sequence in which they occur in the dictionary.
1. Telephone
2. Teleworker
3. Tendency
4.Temp...
A is the brother of B. B is the son of C. C is married to D. E is the daughter of D. E is married to F. How is A related to F?
