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(iii) Rohan’s mother is 26 years older than him. The product of their ages (in years) 3 years from now will be 360. We would like to find Rohan’s present age.
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i) The area of a rectangular plot is 528 m . The length of the plot (in metres) is one more than twice its breadth. We need to find the length and breadth of the plot.
(iv) A train travels a distance of 480 km at a uniform speed. If the speed had been 8 km/h less, then it would have taken 3 hours more to cover the same distance. We need to find the speed ...
(ii) The product of two consecutive positive integers is 306. We need to find the integers.
(i) 10 students of Class X took part in a Mathematics quiz. If the number of girls is 4 more than the number of boys, find the number of boys and girls who took part in the quiz. (ii) 5 pencils ...
(i) 5x–4y+8=0. 7x+6y–9=0 (ii) 9x+3y+12=0 18x+6y+24=0 (iii) 6x–3y+10=0 2x–y+9=0
i) intersecting lines (ii) parallel lines (iii) coincident lines
(i) x+y=5, 2x+2y=10 (ii) x–y=8, 3x–3y=16 (iii) 2x+y–6=0, 4x–2y–4=0 (iv) 2x–2y–2=0, 4x–4y–5=0
(i) The difference between two numbers is 26 and one number is three times the other. Find them. (ii) The larger of two supplementary angles exceeds the smaller by 18 degrees. Find them. (iii) The coach of a cricket team buys 7 ...