Recent questions tagged chapter2

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One of the two digits of a two digit number is three times the other digit. If youinterchange the digits of this two-digit number and add the resulting number to the original number, you get 88. What is the original

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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Shobo’s mother’s present age is six times Shobo’s present age. Shobo’s age five years from now will be one third of his mother’s present age. What are their present

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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There is a narrow rectangular plot, reserved for a school, in Mahuli village. The length and breadth of the plot are in the ratio 11:4.At the rate Rs100 per metre it will cost the village panchayat Rs 75000 to fence the plot. What are the dimensions of the

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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Hasan buys two kinds of cloth materials for school uniforms, shirt material that costs him Rs 50 per metre and trouser material that costs him Rs 90 per metre. For every 2 meters of the trouser material he buys 3 metres of the shirt material. He sells the materials at 12% and 10% profit respectively. His total sale is Rs 36,660. How much trouser material did he

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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Half of a herd of deer are grazing in the field and three fourths of the remaining are playing nearby. The rest 9 are drinking water from the pond. Find the number of deer in the

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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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 18, 2022 in 8th-maths by nikhil (1.8k points)

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Aman’s age is three times his son’s age. Ten years ago he was five times his son’s age. Find their present

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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Solve

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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Solve `5x – 2 (2x – 7) = 2 (3x – 1) +

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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3(t – 3) = 5(2t +

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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15(y – 4) –2(y – 9) + 5(y + 6) =

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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3(5z – 7) – 2(9z – 11) = 4(8z – 13) –

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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0.25(4f – 3) = 0.05(10f –

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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Solve

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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Present ages of Anu and Raj are in the ratio 4:5. Eight years from now the ratio of their ages will be 5:6. Find their present

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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The ages of Hari and Harry are in the ratio 5:7. Four years from now the ratio of their ages will be 3:4. Find their present

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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The denominator of a rational number is greater than its numerator by 8. If the numerator is increased by 17 and the denominator is decreased by 1, the number obtained is `3/2` . Find the rational

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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For which of these would you use a histogram to show the data?(a) The number of letters for different areas in a postman’s bag.(b) The height of competitors in an athletics meet.(c) The number of cassettes produced by 5 companies.(d) The number of passengers boarding trains from 7:00 a.m. to 7:00 p.m. at a station.Give reasons for

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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The shoppers who come to a departmental store are marked as: man (M), woman(W), boy (B) or girl (G). The following list gives the shoppers who came during the first hour in the morning:W W W G B W W M G G M M W W W W G B M W B G G M W W M M W WW M W B W G M W W W W G W M M W W M W G W M G W M M B G G WMake a frequency distribution table using tally marks. Draw

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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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, 804, 808, 812, 840, 885, 835, 835, 836, 878, 840, 868, 890, 806, 840 Using tally marks make a frequency table with intervals as 800–810, 810–820 and so

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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