In a proportion:
Product of extremes = ___________ of means.
Sum
Difference
Product
None of these
The ratio of Rs. 5 and Rs. 750 in simplest form is.
3/2
2/3
1/2
5/2
In a ratio which is equal to 7:8, if the antecent is 35, what is the consequent?
30
32
56
40
The ratio between two numbers is 2:3. If each number is increased by 4 the ratio between them becomes 5:7 what are the numbers?
12, 13
15, 22
16, 24
17, 24
Unit of ratio is ----------
cm
kg
L
The mean proportional of 0.32 and 0.02 is.
0.34
0.30
0.16
0.08
Express 126:189 in simplest form.
2:4
2:3
2:5
2:7
If the weight of a 13 metres long iron rod be 23.4kg the weight of 6 metres long such rod will be:
7.2kg
12.4kg
10.8kg
18kg
The cost of 8 copies of a book is Rs. 488. Then the cost of 15 copies of the same book at the same rate is _______
Rs. 800
Rs. 850
Rs. 900
Rs. 915
What must be added to each term of the ratio 7:13 so that the ratio becomes 2:3?
2
3
4
5