Question

cts
50.
3
from it. She multiplies the result by 6. The
number?
5
times the other new number. What are the
numbers?
2
3
5
ninth of the greater by 4.
7. The denominator of a fraction is 1 more than twice its numerator. If the numerato
Find the original fraction.
8. Find two positive numbers in the ratio 2 : 5 such that their difference is 15.
9. What number should be added to each of the numbers 12, 22, 42 and 72 so that t
resulting numbers may be in proportion?
10. The digits of a two-digit number differ by 3. If the digits are interchanged and
resulting number is added to the original number, we get 143. What can be the orig
11. Sum of the digits of a two digit number is 11. When we interchange the digits,
found that the resulting new number is greater than the original number by 63.
number?
the two digit number.
result now obtained is 2 less than twice the same number she thought of. What is the
4. A positive number is 7 times another number. If 15 is added to both the numbers,
then one of the new number becomes
5. When three consecutive even integers are added, the sum is zero. Find the integers.
6. Find two consecutive odd integers such that two-fifth of the smaller exceeds two-
and denominator are both increased by 5, it becomes​

Answer 1

Answer:

Q8 answer 15

2:5

let the number =x

2x 5x

according to question

difference of 2x and 5x is 15

2x-5x =15

3x=15

3 go to another side

3is multiple with x it's go to another side it's change into division

x= 15÷3

x=5