Recent questions tagged chapter13

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Let E = 3, B = 7 and A = 4. Find the other digits in the sum

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

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Let D = 3, L = 7 and A = 8. Find the other digits in the sum

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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If from a two-digit number, we subtract the number formed by reversing its digits then the result so obtained is a perfect cube. How many such numbers are possible? Write all of

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

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Work out the following multiplication. Use the result to answer the following questions. (a) What will be 12345679 `xx` 45? (b) What will be 12345679 `xx` 63? (c) By what number should 12345679 be multiplied to get 888888888? (d) By what number should 12345679 be multiplied to get

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

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Find the value of the letters in each of the

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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If 148101B095 is divisible by 33, find the value of

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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If 123123A4 is divisible by 11, find the value of

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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If 56x32y is divisible by 18, find the least value of

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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The cost of 5 metres of a particular quality of cloth is Rs 210. Tabulate the cost of 2, 4, 10 and 13 metres of cloth of the same

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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An electric pole, 14 metres high, casts a shadow of 10 metres. Find the height of a tree that casts a shadow of 15 metres under similar

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper would weigh `2 1/2`

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

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A train is moving at a uniform speed of 75 km/hour. How far will it travel in 20

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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A train is moving at a uniform speed of 75 km/hour. Find the time required to cover a distance of 250

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

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The scale of a map is given as 1:30000000. Two cities are 4 cm apart on the map. Find the actual distance between

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Following are the car parking charges near a railway station upto 4 hours Rs 60 8 hours Rs 100 12 hours Rs 140 24 hours Rs 180Check if the parking charges are in direct proportion to the parking

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

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A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base. In the following table, find the parts of base that need to be added.

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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In Question 2 above, if 1 part of a red pigment requires 75 mL of base, how much red pigment should we mix with 1800 mL of

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

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A machine in a soft drink factory fills 840 bottles in six hours. How many bottles will it fill in five

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

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A photograph of a bacteria enlarged 50,000 times attains a length of 5 cm as shown in the diagram. What is the actual length of the bacteria? If the photograph is enlarged 20,000 times only, whatwould be its enlarged

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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In a model of a ship, the mast is 9 cm high, while the mast of the actual ship is 12 m high. If the length of the ship is 28 m, how long is the model

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

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