Questions by Arun

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asked Jan 17, 2022 in 8th-maths

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A number is divisible by 11 if the differences between the sum of digits at its odd places and that of digits at the even places is either 0 or divisible by

asked Jan 17, 2022 in 8th-maths

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Number 7N + 1 will leave remainder 1 when divided by

asked Jan 17, 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 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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If `2A7 -: A = 33`, then find the value of

asked Jan 17, 2022 in 8th-maths

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Verify that – (– x) = x for `x =

asked Jan 17, 2022 in 8th-maths

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Draw a pie chart showing the following information. The table shows the colours preferred by a group of people. Colours Number of people Blue 18 Green 9 Red 6 Yellow 3 Total 36

asked Jan 17, 2022 in 8th-maths

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When a die is thrown, list the outcomes of an event of getting(i) (a) a prime number (b) not a prime number. (c) a number greater than 5 (d) a number not greater than

asked Jan 17, 2022 in 8th-maths

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What will be the unit digit of the squares of the following numbers? 81

asked Jan 17, 2022 in 8th-maths

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What will be the unit digit of the squares of the following numbers? 1234

asked Jan 17, 2022 in 8th-maths

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The following numbers are obviously not perfect squares. Give reason. 222000

asked Jan 17, 2022 in 8th-maths

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Find the square of the following numbers.

asked Jan 17, 2022 in 8th-maths

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Without doing any calculation, find the numbers which are surely not perfect

asked Jan 17, 2022 in 8th-maths

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Find the square root of each of the following numbers by Division method. 576

asked Jan 17, 2022 in 8th-maths

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Find the number of digits in the square root of each of the following numbers (without any calculation).

asked Jan 17, 2022 in 8th-maths

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In a right triangle ABC, ∠B = 90°. If AB = 6 cm, BC = 8 cm, find AC

asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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What should be added to twice the rational number `(-7)/3` to get

asked Jan 17, 2022 in 8th-maths

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A grandfather is ten times older than his granddaughter. He is also 54 years older than her. Find their present

asked Jan 17, 2022 in 8th-maths

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