Question

pls some one solve i will be thankful to him/her

Answer 1

26. Let the whole number be x
then Acc to ques -
x-20 = 69/x

27. Let the once place digit of 2 digit number be x
& tenth place digit be y
•°• the number = 10y+x
then Acc to ques -
x+y = 4(10y+x) -----1.
10y+x = 2xy -----2.

28. Let the unit's digit of a 2 digit number be x
& tenth place digit be y
•°• the number = 10y+x
then Acc to ques -
x-6 = y -----1.
xy+12 = 10y+x -----2.

29. Let the first number be x
& the second number be y
then Acc to ques -
x^2+y^2 = 34. -----1.
x+1 = 2y -----2.

30. Let the 3 +ve consecutive integers be x, (x+1) , (x+2)
then Acc to ques -
x^2+(x+1)(x+2) = 46

31. Let the 3 consecutive natural numbers be x, (x+1) , (x+2)
then Acc to ques -
(x+1)^2 = x^2-(x+2)^2+60

32. (x+4)(x+15) = x + 4x +15