Reasoning Aptitude
ORDER AND RANKING MCQs
Number, Ranking & Time Sequence, Number Ranking Test
2 + 22 + 8 + 5 + 6 + 0 + 9 + 92 + 0 + 3 = 118Where value of alphabet = 0; symbol = square of the previous number; number = the value itself.
If we number the letter of the word from 1 to 6, first rearrange the letters in the order 615243. Next, to this reversed order of letters, apply the following alternately: move three letters ahead; go one letter backward.Thus NUMBER first becomes RNEUBM. Then R + 3 = U, N - 1 = M, E + 3 = H, U - 1 = T, B = # = E, M - 1 = L. So the final code is UMHTEL.Similarly, SECOND -> DSNEOC -> GRQDRB
Interchanging, we get 749, 376, 985, 798, 839, 765. Rearranged in descending order, this becomes 985, 839, 798, 765, 749, 376.
Other groups consist of consecutive elements.
The first, second and third elements of each group is sixth element to the right of the respective element of previous group as given in the sequence.
= (19 - 7) = 12th from the right end.
There are 27 elements in all in the sequence.SO, (27 - 9 - 7) = 11 elements are between the 9th from left and 7th from right.Hence, (9 + 6) = 15th element from the left end will be the required answer.
7th to the left of 12th from right = (12 + 7) = 19th from right= (27 - 19 + 1) = 9th from leftBut the first 15 elements are reversed.So, 9th from left in this reversed sequence = (15 - 9 + 1) = 7th from left in the original sequence = 5.
For the condition to be fulfilled, three digits should be together but it is not so in the given sequence.
Let the number of boys be x. Then, number of girls = 2x. x + 2x = 60 or 3x = 60 or x = 20.So, number of boys = 20 and number of girls = 40.Number of students behind Kamal in rank = (60 - 17) = 43.Number of girls ahead of Kamal in rank = 9.Number of girls behind kamal in rank = 40 - 9 = 31.Number of boys behind Kamal in rank = 43 - 31 = 12.