Question

4. The sum of the ages of three persons is 100
years. What will be the sum of their ages after5 years.
(1) 100yrs. (ii) 115yrs. (iii) 300 yrs.(iv)
305yrs.
5. The sum of three consecutive multiples of
"5' is 45. Which is the smallest of the three
multiples.
(i) 10(ii) 15 (iii) 20(iv) 25
6. If z/(z+15) = 4/9, then the value of 'z' is
(i) 11(ii) 12 (iii) 13(iv) 14
7. Sum of two numbers is 95.If one exceeds
the other by 15, then the numbers are
(i) 25 & 40(ii) 50 & 65(iii)30 & 45(iv) 40&55​

Answer 1

Answer:

6

Step-by-step explanation:

z/(z+15)=4/9

9z=4z+60

9z-4z=60

5z = 60

so answer = 12