If a:b = b:c,then mean proportion between a and c =_______
a/b
√ac
√(a+b)
√a2+b2
The unit of ratio_________
%
Kg
Cm
no unit
Which ratio is greater 3:4 or 5:7
3/4
5/7
Both are same
none
Find the fourth proportion to 15,6,7:
2.8
8
1.6
7.1
To convert a ratio a:b in simplest form,divide a and b by the --------------- of a and b.
LCM
Multiple
H.C.F
None of these
Reena weighed 63kg.She reduced her weight in the ratio 9:8.Find her new weight.
55Kg
56Kg
57Kg
50Kg
If each term of a ratio is multiplied or divided by __________,the ratio remains the same.
Same non zero numbers
fraction
negative
none of these
If 8 pens cost Rs.144,what will be the cost of 14 pens?
254
250
252
251
Express 48:60 in the simplest form
4:6
4:5
5:3
6:2
Find the value of x in the proportion 42:12:7:x
2
3
4
5