Question

4) If the sum of two consecutive numbers is 71 and one number is x, then the other
number is
A. x + (x+1) = 71
B. x + (x+2) = 71
C. x + x = 71
D. none of these
5) How old will I be after 10 years, if my age before 10 years was ‘x’ years?
A. x + 10
B. x + 20
C. x + 30
D. x
6) Two- third of a number subtracted from 10 gives 10. Then find the number:
A. 30
B. 10
C. 0
D. 5

Answer 1

Step-by-step explanation:

first one is option A because general form of consecutive numbers is x,x+1,x+2.......

second one is option B

10 years ago=x

present =x+10

after 10years=x+20

$10 - \frac{2x}{3} = 10 \\ - \frac{2x}{3} = 0 \\ x = 0$