Question

Choose the correct answer from the given four options (1 to 10):
1 The ratio of 45 minutes to 5 hours is
(a) 180 : 23
(b) 3:23
(c) 23:3
2 The ratio of 4 litres to 900 mL is
(a) 4:9
(b) 40 : 9
(C) 9:40
3 When the number 210 is increased in the ratio 5:7, then the new nu
(a) 150
(b) 180
(c) 294
4 Two numbers are in the ratio 7:9. If the sum of the numbers is 288.
number is
(a) 126
(b) 162
(c) 112
(d) 144
5 A ratio equivalent to the ratio : is
(a) 4:6
(6) 5:7
(c) 15 : 14 (d) 14 : 15
6 The ratio of number of edges of a cube to the number of its faces is
(a) 2:1
(b) 1:2
(c) 3:8
7 If x, 12, 8 and 32 are in proportion, then the value of x is
(a) 6
(b) 4
(c) 3
(d) 2
8 The fourth proportional to 3, 4, 5 is
(a) 6
(d) 8:3
(d) none of these
9 The third proportional to 67 and 5 is
(a) 4
(6) 77
(C) 3
10 The mean proportional between and 128 is
(a) 64
(6) 32
(C) 16
(d) 8​

Answer 1

Answer:

1.(b)

2.(a)

3.(c)

4.(d)

5.(b)

6.(d)

7.(c)

8.(a)

9.(c)

10.(b)