MBA Exam Logical Reasoning Number Series

what is remainder when 7^187 devided by 800

1) 143
2) 343
3) 243
4) 743

Read Solution (Total 1)

Answer is 343
7^1 /800 reminder is 7
7^2 /800 reminder is 49
7^3 /800reminder is 343
7^4 /800 reminder is 71
7^5 /800 reminder is 7
7^6 /800 reminder is 49
7^7 /800reminder is 343
7^8 /800 reminder is 71
.
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So reminder will for each 4 consecutive numbers.
when 187 is divided by we get 3 as reminder.
therefore from above explanation 343 is answer
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MBA Other Question

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Answer the questions on the basis of the information given below.From a point D outside a circle, two tangents DA and DB are drawn as shown in the figure given below. It is also given that AC = CB, where point C lies on the given circle, AB = 2 cm and the measure of âˆ ACB is 30Â°.If the measure of âˆ ADB is â€˜kâ€™ times the measure of âˆ ACB, then what is the value of â€˜kâ€™?

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