999.99 + 99.99 + 99= ?

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

7 × 6 ÷ 3 – 6 = 40 + 20

Given below an equation having four blanks you have to check from the alternatives which among the given is correct?

16 _ 22 _ 11 _ 8 _ 40

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

23 * 2 * 2 * 5 * 18

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

12_6_3_8_3

If '$ means +', '# means –, '@ means ×' and '* means ÷', then what is the value of '16 $ 4 @ 5 # 72 * 8' ?

If 34 – 28 means 952, 544 + 8 means 68, 20 ÷ 5 means 25, 20 x 10 means 10, then 375 – 11 x 270 ÷ 550 + 11 x 35 = ?

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

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

9 % 14 % 9 % 90 % 42 % 15