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In a 2 digit number, the units place digit is x. If the sum of digits be 9, then the number is (10x –

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

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Sum of the ages of Anju and her mother is 65 years. If Anju’s present age is y years then her mother’s age before 5 years is (60 – y)

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

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The number of boys and girls in a class are in the ratio 5:4. If the number of boys is 9 more than the number of girls, then number of boys is

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

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A and B are together 90 years old. Five years ago A was thrice as old as B was. Hence,the ages of A and B five years back would be (x – 5)years and (85– x) years

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

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Two different equations can never have the same

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

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In the equation 3x – 3 = 9, transposing –3 to RHS, we get 3x =

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

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In the equation 2x = 4 – x, transposing –x to LHS, we get x =

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

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If `15/8-7x =9`, then `–7x =9 +

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

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If `x/3+1 = 7/15`, then

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

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If 6x = 18, then 18x =

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

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If `x/11 = 15`, then `x =

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

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If x is an even number, then the next even number is 2(x +

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

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If the sum of two consecutive numbers is 93 and one of them is x, then the other number is 93 –

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

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Two numbers differ by 40, when each number is increased by 8, the bigger becomes thrice the lesser number. If one number is x, then the other number is (40 –

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

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`0.4(3x –1) = 0.5x +

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

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`8x – 7 – 3x = 6x – 2x –

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

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`10x – 5 – 7x = 5x + 15 –

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

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`4t – 3 – (3t +1) = 5t –

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

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`5(x – 1) – 2(x + 8) =

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

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`1 –(x – 2) – [(x – 3) – (x – 1)] =

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

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