Question
The marks scored by a boy in three subjects are in the
ratio 3 : 4 : 5. Boy scored an overall aggregate of 60% in the exam. If the maximum marks in each subject are the same, in how many subjects did boy score more than 75% marks?Solution
Let the maximum marks in each subject be 100. ∴ Total score = 60% of (100 + 100 + 100) = 60% of (300) = 180 Also, 75% marks in a subject correspond to 75% of (100) = 75 Let a boy have scored 3x, 4x and 5x in the three subjects. ∴ 3x + 4x + 5x = 180 ∴ 12x = 180 i.e. x = 15 Hence, his marks in the three subjects are 45, 60 and 75. Hence, he has scored more than 75 in exactly no subject.
If A is coded as ‘+’, C is coded as ‘÷’, B is coded as ‘×’ and D is coded as ‘-’, then what is the value of
12 A 5 B 32 C 4 D 1...
Select the letter cluster from among the given option that can replace the question mark (?) in the following series.
CBM, FGT, ILA, LQH, ?
Adult : Baby :: Flower : ?Â
Select the combination of letter that when sequentially placed in the blanks of the given series will complete the series.
R _ _ U V W _ _ T U...
In the given series, how many vowels are immediately succeeded by a number?
If all the even numbers and symbols are dropped from the arrangement then which of the following will be third element to the right of the fifth element...
What is the sum of all the numbers between '#' and 'N'?Â
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
_ m _ n _ n o ...
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
L_UA_Z_N_AP_L_U_PZ
In the given arrangement, how many such symbols are there which are immediately followed by a number and immediately preceded by a consonant?