Comprehension:
In a certain number system there are only two notations to represent numbers: ▵ and β .
0 is represented by ▵ and 1 by β. The subsequent numbers are represented in the following manner:
2 is represented as β▵.
3 is represented as ββ,
4 is represented as β▵▵,
5 is represented as β▵β and so on.
How will you represent 81 in the given number system?
"If the given symbols mean:
'+' means 'divided by'
'-' means 'multiplied by'
'x' means 'minus'
'÷' means 'plus'
Then, find the value of the following expressions: 60 + 5 - 4 × 10 ÷ 2=?
Select the sentence containing the homonym of the highlighted word:
The artisan engraved a cartouche around the royal name.