NIMCET 2019 Question Paper with solutions

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Question : 53 of 120

Marks: +1, -0

If 137 + 276 = 435, how much is 731 + 672 ?

534
1403
1623
1531

Solution:

137+276=435

(1×8^{2}+3×8^{1}+7×8^{0})+(2×8^{2}+7×8^{1}+6×8^{0})

95+190=285

Now,

⇒145

Similarly

731+672=?

(7×8^{2}+3×8^{1}+1×8^{6})+(6×8^{2}+7×8^{1}+2×8^{0})

=473+442=915

Now,

⇒1623

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