Question

Q40. Solve (x-1)(x-1) +5 = x(x-2) + 6.
Q41. The present age of Aditya's mother is four times that of Aditya's age. Aditya's age ten years from now will
half of his mother's present age. What are their present ages?
042. A steamer goes upstream and covers the distance between two points in 4 hours, while it covers the sami
distance downstream in 3 hours. If the speed of the stream is 2 km/h, find the speed of the steamer in still wat
043 . One of the two digits of a two digit number is twice the other digit. If you interchange the digit of their tv
digit number and add the resulting number to the original number, you get 66. What is the original number?
ques44. The denominator of a rational number is greater than its numerator by 10. If the numerator is increased
19 and the denominator is decreased by 1, the number obtained is. Find the rational number.
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Answer 1

Ans.40.) (x-1)(x-1)+5=x(x-2)+6

x^2+1+2x+5=x^2-2x+6

2x+6=-2x+6

2x+2x=0

4x=0

x=0÷4

x=0

Answer 2

sorry i am not able to solve Q 42,44

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