Select the missing number from the given responses:

5	5	15
6	8	16
8	12	?
240	480	450

• 15

• 12

• 8

• 5

If 'X' means addition, '-' means division, '÷' means subtraction and '+' means multiplication then which of the equation is correct?

• 16 x 5 ÷ 10 + 4 -3 = 19

• 16 + 5 ÷ 10 x 4 -3 = 9

• 16 + 5 -10 x 4 ÷ 3 = 9

• 16 - 5 x 10 ÷ 4 +3 = 12

If 4 x 5 x 2 = 524, 3 x 7 x2 = 723 and 6 x 8 x 7 = 876 then 9 x 4 x 5 =?

• 495

• 459

• 549

• 954

If '+' means '÷' , '÷' means '-','-' means 'x', 'x' means '+', then
24 + 8 ÷ 2 - 6 x 6 = ?

• -10

• -3

• 12

• 21

In this question, some equations are solved on the basis o the certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

7 x6 x8 = 678
8 x9 x7 = 987
6 x5 x7 =567
5 x4 x6 = ?

• 456

• 564

• 645

• 654

If '+' stands for multiplication, '-' stands for addition, 'x' stands for division, then what is the value of 128 + 9 - 16 x 4 =?

• 73

• 256

• 1156

• 1352

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

6x2x9 = 269
8x7x1 = 781
4x1x3 = ?

• 431

• 413

• 341

• 143

38.

If '+' means '÷', '÷' means '-', '-' means 'x' and 'x' means '+', then:

48 + 16 x 4 - 2 ÷ 8

• 3

• 6

• 112

• -28

Some equations have been solved on the basis of a certain pattern. Find the correct answer for the unsolved equation on that basis:

7*4*3 = 437
8*6*4 = 648
4*3*6 =?

• 346

• 364

• 643

• 463

Select the missing number from the given matrix:

5	2	4
4	4	7
2	5	3
18	30	?

• 43

• 42

• 33

• 32