Instructions

In the following some of the combinations of operations and an operand
A: means ‘÷3’
B: means ‘x3’
C: means ‘-3’
D: means ‘+3’
E: means ‘÷2’
F: means ‘x2’
G: means ‘-2’
H: means ‘+2’

Question 109

18x3 ÷2+3 <27 ?

Solution

Expression : 18x3 ÷2+3 <27 ?

L.H.S = 18x3 ÷2+3

= $$\frac{54}{2}+3 = 30$$

Now, R.H.S. should be greater than 30

R.H.S. = 27 ?

(A) : D followed by A

= $$27+3 \div 3 = 27+1=28$$

(B) : A followed by G

= $$27 \div 3-2 = 9-2=7$$

(C) : D followed by G

= $$27+3-2=28$$

(D) : D followed by H

= $$27+3+2=32$$

=> Ans - (D)


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