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.

8 + 5 - 5 = 45

12 + 6 - 5 = 77

14 + 5 -10 = ?

• 60

• 80

• 58

• 76

Which of the following interchanges of numbers would make the given equation correct?

8 x 20 ÷ 3 + 9 - 5 = 38

• (8, 9)

• (3, 5)

• (3, 9)

• (3, 8)

Some equations have been solved on the basis of the certain system. Find out the correct answer for the unsolved equation on that basis.

9 x 7 x 4 = 794
3 x 4 x 6 = 436
similarly,
4 x 2 x 7 = ?

• 742

• 247

• 724

• 472

If ' +' means minus ' -' means multiplication, '÷' means plus and 'X' means division, then:
15-3 + 10 x 5 ÷ 5

• 52

• 48

• 22

• 5

 A certain system is followed to solve the problem. Accordingly, find out the correct answer from the alternatives for unsolved equations.

7 x 4 x 9 = 749
9 x 5 x 2 = 592
6 x 9 x 5 = 965
8 x 6 x 2 = ?

• 286

• 682

• 628

• 268

If X means +, + means ÷, - means x and ÷ means -, then 
8 x 7 - 8 + 40 ÷ 2 = ?

• 1

• 37/5

• 43/5

• 44

If P denotes +, Q denotes -, R denotes '÷', and S denotes X, Then:18S36R12Q6P7

• 115

• 65

• 55

• 25

If L denotes 'X' M denotes ' ÷', P denotes '+' and Q denotes '-' then:

16P24M8Q6M2L3

• 13/6

• -1/6

• 29/2

• 10

If '+' means divided by, '-' means multiplied by 'x' means minus and '÷' means 'plus', which of the following will be the value of the expression?

16 ÷ 8 - 4 + 2 x 4 = ?

• 16

• 28

• 32

• 44

Some equations have been solved on the basis of a certain pattern. Find the correct answer for the unsolved equation on that basis:
2*3*5 = 523
6*4*1=164
8*2*4 = 482
then
6*8*2 =?

• 826

• 268

• 286

• 628