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Solve:
(6a − 5b − 8c) + (15b + 2a − 5c)
Chapter: [8] Algebraic Expressions and Operations on Them
Concept: undefined >> undefined
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The area of a rectangular garden of length 40 m, is 1000 sqm. Find the breadth of the garden and its perimeter. The garden is to be enclosed by 3 rounds of fencing, leaving an entrance of 4 m. Find the cost of fencing the garden at a rate of 250 rupees per metre.
Chapter: [12] Perimeter and Area
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Factorise:
365y4z3 – 146y2z4
Chapter: [14] Algebraic Formulae - Expansion of Squares
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A shop sells a 450 g bottle of jam for 96 rupees and a bigger bottle of 600 g for 124 rupees. Which bottle is it more profitable to buy?
Chapter: [3] HCF and LCM
Concept: undefined >> undefined
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Multiply the following rational numbers.
`9/13 xx 4/7`
Chapter: [5] Operations on Rational Numbers
Concept: undefined >> undefined
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Multiply the following rational numbers.
`3/5 xx (- 4)/5`
Chapter: [5] Operations on Rational Numbers
Concept: undefined >> undefined
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Multiply the following rational numbers.
`9/13 xx 26/3`
Chapter: [5] Operations on Rational Numbers
Concept: undefined >> undefined
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Factorise: a2 - 4b2
Chapter: [14] Algebraic Formulae - Expansion of Squares
Concept: undefined >> undefined
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Factorise: 3a2 - 27b2
Chapter: [14] Algebraic Formulae - Expansion of Squares
Concept: undefined >> undefined
Concept: undefined >> undefined
