Simplification Questions For RRB Group-D PDF

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Simplification Questions For RRB Group-D PDF
Simplification Questions For RRB Group-D PDF

Simplification Questions For RRB/Railway Group-D PDF:

Download Simplification Questions For RRB Group-D PDF with detailed solutions. Important Practice simplification questions based on previous year railway exam papers.

Download Simplification Questions For RRB Group-D PDF

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Question 1: Simplify: $(13)^{2}-(14)^{2}+(17)^2-250=\sqrt{?}$

a) 196
b) 169
c) 121
d) 144

Question 2: Simplify: (213 x 213 + 187 x 187)

a) 80338
b) 80438
c) 60338
d) 60438

Question 3: Simplify: b [b (a+b) {b (b a b)}+2a]

a) 2b
b) 1
c) 0
d) 3b

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Question 4: Simplify:  (213 x 213 + 187 x 187)

a) 80338
b) 80438
c) 60338
d) 60438

Question 5: Simplify:  b-[b-(a+b)-{b-(b-a-b)}+2a]

a) 2b
b) 1
c) 0
d) 3b

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Answers & Solutions: 

1) Answer (D)

Expression : $(13)^{2}-(14)^{2}+(17)^2-250=\sqrt{?}$

=> $\sqrt{x}=169-196+289-250=12$

=> $x=(12)^2=144$

=> Ans – (D)

2) Answer (A)

3) Answer (C)

4) Answer (A)

5) Answer (C)

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