Question
A school has 720 students. The ratio of boys to girls is
4:2. Among the boys, the passed to failed ratio is 9:3. Among the girls, the passed to failed ratio is 6:2. Find how many students passed the exam.Solution
ATQ,
Number of boys = (4/6) × 720 = 480
Number of girls = (2/6) × 720 = 240
Required number of students = (9/12) × 480 + (6/8) × 240 = 360 + 180 = 540
In a certain code language ‘SUPREME’ is written as ‘QVTRFNF’ and ‘AGENT’ is written as ‘HBEUO’. How is ‘GAMER’ written in that cod...
In a certain code language, '2, 4, 6' means 'object for required'; '6, 3, 5, 2' means 'circular for motion required' and '3, 7, 4, 1' means 'object smal...
In a certain code language ‘SHOWERS’ is written as ‘PITWTSF’ and ‘KEYWORD’ is written as ‘ZFLWESP’. How...
If 144 C 12 = 12 and 180 C 9 = 20, then 256 C 16 = ?
The position of how many alphabets will remain unchanged if each of the alphabets in the word ‘FASCINATION’ is arranged in alphabetical order from l...
What is the symbol used in the word 'clipboard'?
What is the code for ‘under recruited’?
- If "TIME" is coded as 25 and "GAME" is coded as 12, what will be the code for "FAST"?
If ‘DEFINE’ is coded as '18', ‘CLUSTER’ is coded as '42', then what is the code for 'PROGRAM' in the same code language?
In a certain code language ‘FRAUD’ is coded as ‘20’ and ‘MANUAL’ is coded as ‘50’ then ‘BARREN’ will be coded as ____ in the same co...
Relevant for Exams:
