Recent questions tagged chapter13

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Many schools have a recommended students-teacher ratio as 35:1. Next year, school expects an increase in enrolment by 280 students. How many new teachers will they have to appoint to maintain the students-teacher

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

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Kusum always forgets how to convert miles to kilometres and back again. However she remembers that her car’s speedometer shows both miles and kilometres. She knows that travelling 50 miles per hour is same as travelling 80 kilometres per hour. To cover a distance of 200 km, how many miles Kusum would have to

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

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The students of Anju’s class sold posters to raise money. Anju wanted to create a ratio for finding the amount of money her class would make for different numbers of posters sold. She knew they could raise Rs 250 for every 60 posters sold. (a) How much money would Anju’s class make for selling 102 posters? (b) Could Anju’s class raise exactly Rs 2,000? If so, how many posters would they need to sell? If not,

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

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Generalised form of a three-digit number xyz

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

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The usual form of 100a + b + 10c

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

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If `5 xx A = CA` then the values of A and C

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

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If 5 A + 25 is equal to B 2, then the value of A + B

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

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The number ab – ba where a and b are digits and a > b is divisible by

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

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When written in usual form 100a + 10c + 9 is equal to

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

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If AB xx B = 9B, then A = _________, B =

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

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If abc, cab, bca are three digit numbers formed by the digits a, b, and c then the sum of these numbers is always divisible by

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

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Let ab be a two-digit number, then ab + ba is divisible by

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

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If a number is divisible by 2 and 4, then it will be divisible by

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

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A three-digit number 42x is divisible by 9. Find the value of

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

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Find the value of A and B

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

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Suppose that the division x -: 5 leaves a remainder 4 and the division x -: 2 leaves a remainder 1. Find the ones digit of

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

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Generalised form of a four-digit number abdc

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

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Generalised form of a two-digit number xy

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

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The usual form of 1000a + 10b + c

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

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Let abc be a three-digit number. Then abc – cba is not divisible

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

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