RRB Group D Model Paper 6 with solutions

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Question : 20 of 99

Marks: +1, -0

Simplify 4

(1/296)^0+(25)^{-1/2}-(256)^{(4)^{-1}}

4 (25) (256) 296 .
2/5
5/7
0

Solution:

(2) The given expression is:
4

(1/296)^0+(25)^{-1/2}-(256)^{(4)^{-1}}

4(1) +

(5)^{2×-1/2}-(4)^{4×1/4}

= 4 +

5^{-1}

- 4
= 4 +

1/5

- 4
=

1/5

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