Question
In a class, the number of students studying English and
Math is in the ratio 3:4. If 12 additional students join the Math group, the ratio of students studying English to those studying Math changes to 3:5. What was the initial number of students in the English group?Solution
Initial ratio of the students studying English and Math = 3: 4 After joining of 12 students of math group ratio becomes = 3: 5 Student of English group remains unchanged, 5x-4x = 12 x = 12 students in English group = 3x = 36
Select the next number in the category.Β
11, 16, 32, 37, 74,?
Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?
HLG9 IMH18 JN...
βA # Bβ means βA is the brother of Bβ.
βA @ Bβ means βA is the daughter of Bβ.
βA & Bβ means βA is the husband of BοΏ½...
Three of the following four letter-clusters are alike in a certain way and one is different. Pick the odd one out.
AFKP
GKPS
SXCH
JOTY
127.08 β [17.02 + 3 of (6.50 β 0.5 Γ 2.02)] = ?Β Β
A paper is folded and cut as shown below. How will it appear when unfolded?
How many pairs of digits are there in the number '743928395', which has as many digits between them in the number (both forward and backward) as in the ...
In this question, a statement is followed by two courses of action, numbered I and II. You must assume everything in the statement to be true and on the...
If βAβ means βΓ·β, βBβ means βββ, βCβ means β+β and βDβ means βΓβ, then 32 C 19 B 44 A 11 D 2 = ?
...Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and th...