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If '+' means 'x', '-' means '+', 'x' means '÷' and '÷' means '-' , then 6 + 7 x 3 - 8 ÷ 20 = ?

A2

B-3

C7

D1

Answer:

A. 2

Read Explanation:

The pattern followed here is,

Symbol

+

-

×\times

÷\div

Meaning

×\times

+

÷\div

-

 

Given expression:6 + 7 ×\times 3 - 8 ÷\div 20 = ?

After replacing the symbols by their meaning, we get:

L.H.S = 6 ×\times 7 ÷\div 3 + 8 – 20

= 14 + 8 – 20

= 22 – 20

= 2

Hence, ‘2’ is the correct answer.


Related Questions:

In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the set in which the numbers are related in the same way as are the numbers of the following sets. (Note: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

56, 63.4

84, 91.4

Select the correct equation after interchanging operations ‘+’ and ‘–’ and numbers ‘4’ and ‘8’.

Select the set in which the numbers are related in the same way as the following sets.

(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers info its

constituent digits. E.g. 13 — Operations on 13 such as adding /deleting/multiplying etc. to 13 can be performed.

Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

(12,15,18)

(45,35,25)

പ്രത്യാഘാതങ്ങൾ: G ≤ S = E < W, D > K = A ≥ G

ഉപരി വ്യാഖ്യാനങ്ങൾ:

I. D ≤ S

II. K ≤ S

പ്രശ്നം:

K > O > P > M < G = D

തീരുമാനങ്ങൾ:

I. K > M

II. O = M