mathematics

Parin Sir > mathematics

Jun

(6) What percent is :

(i) 120 of 80 (ii) 125 ml. of 7.5 litres (iii) 10 gm of 1 kg ?

Soln. (i) Let, x % of 80 = 120

Posted in: Examples 6 to 10,

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Jun

Examples 1 to 5

(1) Express each one of the following as a fraction :

(i) 55 % (ii) 0.3 % (iii) 0.08 %

(i) 55 % = $\frac{55}{100}$

Posted in: Examples 1 to 5,

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Jun

Per-thousand

☼ Per-thousand :

l = Per-thousand = $\frac{1}{1000}$

i.e. x l =

Posted in: Per-thousand,

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Jun

Introduction

☼ Percent :

% = Percent = per hundred = $\frac{1}{100}$ $\left (\te... </p> <div class=$

Posted in: Percentage,

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Jun

Examples 6 to 8

(6) Prove that any date in March of a year is the same day of the week as the corresponding date in November that year.

Soln. Since, the no. of odd days between 1^st March to 1^st November is 0 (

Posted in: Examples 6 to 8,

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Jun

Examples 1 to 5

Examples :

(1) What was the day of the week on 18^th November, 1882 ?

Soln. 18 – 11 – 1882

Posted in: Examples 1 to 5,

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Jun

Odd Days

☼ Odd Days : The no. of days which are failed to construct a week is called odd days.

e.g. (i) In 10 days, no. of odd days = 3

(ii) In 30 days, no. of odd days = 2

(iii) In 365 days, no. of odd days = 1

(iv) In 366 da…

Posted in: Odd Days,

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Jun

Ordinary Year

☼ Ordinary Year : The year contains 365 days is called an ordinary year.

$\large \mapsto$ The year which is not a ordinary year is an…

Posted in: Ordinary Year,

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Jun

CALENDAR

☼ Leap Year : The year contains 366 days is called a leap year.

$\large \mapsto$ To Check :

Posted in: CALENDAR,

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