"BUSINESS MATHEMATICS
01. if the ratio of two numbers is 7:11. If 7 is added to each number then the new ratio will be 2:
3 then the numbers are.
(a) 49,77
(b) 42, 45
(C) 43,42
(d) 39, 40
Answers
Answered by
0
Answer:
(a) 49,77
Step-by-step explanation:
the problem can be answered in different ways. easiest method is to look it from the options given.
in the options given only (a) satisfies the ratio 7:11.
49/77= 7/11
now check the second statement from the question .
49+7:77+7=56:84=2:3
Answered by
0
Answer:
1st no.=49
2nd no.=77
Step-by-step explanation:
The orignal ratio=7:11
Taking x as common multiple,
1st no.=7x
2nd no.=11x
As per the condition,
7x+7/11x+7=2/3
cross multiplying,
3(7x+7)=2(11x+7)
21x+21=22x+14
21=22x-21x+14
21=x+14
21-14=x
x=7
1st no.=7x=7×7
=49
2nd no.=11x=11×7
=77
Similar questions