Question
A candidate just passed by getting 60 answers correct by
attempting 132 of the total questions. Find the total number of questions in the examination if a candidate needs 40% marks. (All questions carry equal marks)Solution
Let the total number of questions be x. then, Percentage need in exam = 40% Correct answer = 60 percentage = (correct answer)/(total questions) x 100 40 = (60/x) x 100 x = 150 Alternate method Given that 60 ≡ 40% 1 ≡ 
% 150 ≡ 100% Therefore, Total number of questions = 150
Select the combination of letter that when sequentially placed in the blanks of the given series will complete the series.
L _ G _ T L I _ H S...
Select the number combination of letters that when placed sequentially in the blanks of the given series will complete the series.
L L E _ _ G...
In the following question, select the related number from the given alternatives.
32: 512 :: 24: ?
In the given arrangement, how many prime numbers are between 11 th element from the left end and 6 th element from the right end?
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.
Select the combination of numbers that when placed sequentially in the blanks of the given series will complete the series.
M _ R _ _ E S _ A R B...
How many vowels are between A and @?
Which element is 7th to the right of the element, which is 13th to the left of '4'?
- In the given arrangement, how many such letters are there which are either immediately succeeded or immediately preceded by a prime number?
In the given series, how many numbers are immediately preceded by a symbol?
% 9 # V # U 9 H Z + X @ O C 7 J % L $ 6 @ 4 % 6 F 5 & 8 D A $
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