How many right angled triangles can be made from the given shape?

Which among the given operators should replace the “%” (in the same order) in the given expression below:

9 % 14 % 9 % 90 % 42 % 15

If we interchange 2 and 1, then what will be the resultant of the given equation?

21+ 18 ÷ 6 × 12 – 7 = ?

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.

Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.

Which two signs should be interchanged to make the following equation correct?

9 × 10 ÷ 2 – 4 = 51 + 2 

If '+' means ' - ', ' X ' means '+', ' - ' means '÷' and '÷' means ' X ', then what is the value of the following expression?

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.

24 * 2 * 16 * 2 * 13 = 53