Questions by Simran

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`20x3` is a multiple of 3 if the digit x is ______ or ______ or

asked Jan 18, 2022 in 8th-maths

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`3x5` is divisible by 9 if the digit x is

asked Jan 18, 2022 in 8th-maths

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Find the least value that must be given to number a so that the number 91876`a^2` is divisible by

asked Jan 18, 2022 in 8th-maths

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where Q – P = 3, then find the values of P and

asked Jan 18, 2022 in 8th-maths

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Find the value of k where 31k 2 is divisible by

asked Jan 18, 2022 in 8th-maths

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Write the additive inverse of each of the following.

asked Jan 18, 2022 in 8th-maths

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Write the additive inverse of each of the following.

asked Jan 18, 2022 in 8th-maths

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Find the multiplicative inverse of the following. –

asked Jan 18, 2022 in 8th-maths

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Draw a histogram for the frequency table made for the data in Question 3, and answer the following questions. The weekly wages (in Rs) of 30 workers in a factory are. 830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845,

asked Jan 18, 2022 in 8th-maths

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Adjoining pie chart (Fig ) gives the expenditure (in percentage) on various items and savings of a family during a month.

asked Jan 18, 2022 in 8th-maths

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Find the. Probability of getting an ace from a well

asked Jan 18, 2022 in 8th-maths

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Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of .

asked Jan 18, 2022 in 8th-maths

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If you have a spinning wheel with 3 green sectors, 1 blue sector and 1 red sector, what is the probability of getting a green sector? What is the probability of getting a non blue

asked Jan 18, 2022 in 8th-maths

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The following numbers are obviously not perfect squares. Give reason. 1057

asked Jan 18, 2022 in 8th-maths

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Observe the following pattern and find the missing digits.`11^2 = 121``101^2 = 10201``1001^2 = 1002001``100001^2 = 1 ......... 2 ......... 1``10000001^2 =

asked Jan 18, 2022 in 8th-maths

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How many numbers lie between squares of the following numbers? 99 and

asked Jan 18, 2022 in 8th-maths

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Find the square of the following numbers without actual multiplication. 39

asked Jan 18, 2022 in 8th-maths

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Find a Pythagorean triplet in which one member is

asked Jan 18, 2022 in 8th-maths

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Find the square of the following numbers. 35

asked Jan 18, 2022 in 8th-maths

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Is 2352 a perfect square? If not, find the smallest multiple of 2352 which is a perfect square. Find the square root of the new

asked Jan 18, 2022 in 8th-maths

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