Question # 1

According to grouped data formula of arithmetic mean:

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X=

\sum

fx

\sum

f

X=

\sum

fx

\sum

n

X=

\sum

fx

\sum

x

X=

\sum

x

n

The relationship between two ratios in which increase/decrease in on quantity causes a proportional?

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proportion

direct proportion

inverse proportion

ratio

As per Law of sum of powers, we write am x an as

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am-n

am+n

a1/m-1/n

a 1/m+1/n

The price are of an article given in the list provided by the manufacturer to the trader is called:

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discount

list price

marked price

Discount % age

First elements ordered pairs is calleds

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column

row

point

origin

An attractive source of fund for long term lending and investment purpose is:

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Fixed account

saving account

current account

both (B) and (C)

The first and fourth terms of a : b :: c: d are called

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means

extremes

proportion

ratio

The coordinates of origin are

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(1,0)

(0,1)

(0,0)

(1,1)

According to law of power of power (x3)4 we can simplify.

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x12

x3

x4

x4+3

If 4/5 to he students in a school have been away for a holiday, how many student many student in every hundred have been on holiday?

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₄₀

60

80

100

In cartesian plane point 'O' is called

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column

row

origin

axis

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