Question
In a class, the number of girls is 20% more than that of
boys. The number of students in the class is 88. In a mathematics test, the average score of boys is 30% more than that of girls. If the average score of all the students is 75, then what is the average score of the boys?Solution
Let the number of boys be x. Then, the number of girls is 1.2x. Given:  x+1.2x=88 x=40 (boys), 1.2x=48 (girls)  Let the average score of girls be g, and boys be b = 1.3g. Total score equation: 40b+48g=6600 =40×1.3g+48g =6600 52g+48g=6600 100g =6600 g=66 So, b=1.3 x 66 = 85.8. Thus, the average score of boys is 85.8.
- Identify the INCORRECTLY spelt word in the following sentence and select its correct spelling from the given options.
The committee appreciated her... 1) Decietful
2) Desolate
3) Ingridient
4) Poisonus
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In the question below, a sentence is given, four words have been highlighted in bold. Find out if the words are appropriate (grammatically and contextu...
- Choose the word that is misspelled:
Choose the correct spelling of the words below.
Choose the correctly spelt word.
1) depraive
2) deprave
3) deprayve
4) deprawve
5) none of these
