Value of (1022 + 1020)/1020 is(a) 10 (b) 1042 (c) 101 (d) 1022 – InterviewSolution

1.

Value of (1022 + 1020)/1020 is(a) 10 (b) 1042 (c) 101 (d) 1022

Answer»

(c) 101

By splitting, (10²² + 10²⁰)/10²⁰ we get,

= (10²²/10²⁰) + (10²⁰/10²⁰)

By using the rule a^m ÷ aⁿ = a^m–n, m>n

= 10^{(22 – 20)} + 1

= 10² + 1

= 100 + 1

= 101

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