Symbols and Notations-Test 4

Which of the following interchange of signs would make the given equation correct ?

(8 – 8) + 8 x 32 = 64

Which of the following interchange of signs would make the given equation correct ?

8 x 20 / 3 + 9 – 5 = 38

Which of the following interchange of signs would make the given equation correct ?

(18 / 9) + 3 x 5 = 45

If + means /, – means x, x means + and / means -, then which of the alternatives is correct ?

If – stands for +, + stands for x, x stands for – then which one of the following is not correct ?

If + stands for division ; x stands for addition ; – stands for multiplication ; / stands for subtraction, which of the following equation is correct ?

If + means / ; – means + ; x means – and / means x then, 8 / 4 – 6 + 3 x 4 = ?

If + means – ; – means x ; x means / and / means +, then

25 x 5 / 30 + 8 – 2 = ?

If – stands for addition, + stands for subtraction, / stands for multiplication and x stands for division, then which one of the following equation is correct ?

If + stands for division, x stands for addition ; – stands for multiplication ; / stands for subtraction, which of the following is correct ?

If – stands for division , + stands for multiplication, / stands for subtraction, x stands for addition, then which one of the following equation is correct ?

If A denotes +, B denotes – and C denotes x, then

(10 C 4) A ( 4 C 4) B 6 = ?

Some equations are solved in the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

5 + 7 + 2 = 725, 6 + 9 + 0 = 906, 8 + 4 + 3 = ?

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

7 – 4 – 1 = 714, 9 – 2 – 3 = 932, 8 – 0 – 4 = ?

If 1 + 4 = 9, 2 + 8 = 18, 3 + 6 = 15 then 7 + 8 = ?

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

4 x 5 = 42

5 x 6 = 56

6 x 7 = 72

7 x 8 = ?

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

58 x 12 = 4, 37 x 96 = 5,

11 x 20 = 2, 42 x 12 = ?

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

5 x 8 = 28, 3 x 7 = 12, 8 x 6 = 35, 13 x 13 = ?

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

2 x 4 x 6 = 4 ; 9 x 3 x 7 = 13;

4 x 7 x 6 = 3 ; 9 x 7 x 8 = ?

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

3 x 5 x 7 x 2 = 24, 2 x 4 x 6 x 8 = 22, 4 x 4 x 8 x 9 = ?

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

If 7 x 8 = 49, 4 x 4 = 12 and 6 x 4 = 18, what will 9 x 6 be ?

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

2 x 3 x 4 = 432,

5 x 6 x 7 = 765

7 x 8 x 9 = 987

2 x 5 x 7 = ?

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

If 2 x 16 = 8 ; 8 x 8 = 1 ; 6 x 12 = 2, then 12 x 144 = ?

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.

If 10 – 3 = 12, 12 – 4 = 13, 14 – 5 = 14, then 16 – 6 = ?

Select the correct combination of mathematical signs to replace * signs and to balance the following equation :

21 * 7 * 6 * 9