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Standard VIII

Mathematics

Linear equation

In a planet o...

Question

In a planet other than earth, the days of week in order are Sunday, Friday, Tuesday, Thursday and Monday. If two days ago, it was Friday. What is today?

Sunday

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Tuesday

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Thursday

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Monday

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Solution

The correct option is C
Thursday

Let today be $x$

Then, by the given condition,

$x - 2 = F r i d a y$

$\Rightarrow x = F r i d a y + 2$

according to the given data, 2 days after Friday is Thursday.

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Similar questions

Write the following sets using rule method.

(i) A = { 1, 4, 9, 16, 25, 36, 49, 64, 81, 100}

(ii) B = { 6, 12, 18, 24, 30, 36, 42, 48}

(iii) C = {S, M, I, L, E}

(iv) D = {Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday}

(v) X = {a, e, t}

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Q. Represent the following sets in set-builder form
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{ Sunday, Monday, Tuesday, Wednesday, Thursday, Friday , Saturday}
(ii)

A = {1, \frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \frac{1}{5}, . . .}

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In a planet other than earth, the days of week in order are Sunday, Friday, Tuesday, Thursday and Monday. If two days ago, it was Friday. What is today?

The correct option is C Thursday Let today be x Then, by the given condition, x−2=Friday ⇒x=Friday+2 according to the given data, 2 days after Friday is Thursday.

The correct option is C
Thursday

Let today be $x$

Then, by the given condition,

$x - 2 = F r i d a y$

$\Rightarrow x = F r i d a y + 2$

according to the given data, 2 days after Friday is Thursday.