RRB Junior Engineer Stage 1 Model Papers 1

Question : 45 of 100

Marks: +1, -0

In the following question, select the number which can be placed at the sign of question non marking the given alternatives.

Solution:

As,

3 × 1 × 5 × 2 + 1 = 31

and

4 × 6 × 3 × 2 + 1 = 145

Similarly,

2 × 7 × 5 × 1 + 1 =71

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