Question

14) If a/b = 4/3, then the value of 6a+4b/ 6a-5b is __________________.

a)4
b)0
c)3


15). If 1/5 – 1/6 = 4/x, then x =?

a)-120
b)120
c)123
d)None of these.


16) The correct fraction in the box □ is □ – 5/8=1/4

a)1/8
b)2/5
c)7/8
d)None of these.
​

Answer 1

Answer:

14/ a= 4 ,b = 3

=6×4 +4×3 /6×4 -4×3

=24+12/ 24-15

=36/9

= 4

15/1/5 -1/6 =4/x

=6-5/30

= 1/30 =4/x

=x = 4×30

=120

16/ 2/5- 5/8

= 1/4

answer b) 2/5