CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
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1. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
If a : b = 3 : 1, find a + b : a – b.
- (a)
2 : 1
- (b)
4 : 3
- (c)
3 : 4
- (d)
1 : 2
Solution
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2. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
If a + b : a – b = 5 : 4, find a : b.
- (a)
9 : 1
- (b)
1 : 5
- (c)
3 : 5
- (d)
5 : 3
3. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
The third proportion to 1 and 2 is?
- (a)
2
- (b)
3
- (c)
4
- (d)
1
4. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
The fourth proportional to 12, 14 and 18 is?
- (a)
21
- (b)
20
- (c)
22
- (d)
28/3
5. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
The mean proportional between 4 and 9 is?
- (a)
√3
- (b)
√6
- (c)
6
- (d)
None of these
6. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
Find the Mean proportion of 64 and 4.
- (a)
64
- (b)
16
- (c)
8
- (d)
14
7. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
The compound ratio of 2 : 3, 6 : 7, 1 : 3 and 1 : 8 is?
- (a)
1/32
- (b)
1/42
- (c)
1/16
- (d)
12/71
8. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
The inverse ratio of 3 : 2 : 1 is?
- (a)
1 : 2 : 3
- (b)
2 : 3 : 1
- (c)
3 : 1 : 2
- (d)
2 : 3 : 6
9. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
Find the Duplicate ratio of 4 : 9.
- (a)
2 : 3
- (b)
9 : 4
- (c)
4 : 6
- (d)
16 : 81
10. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
Find the Triplicate ratio of 3 : 4.
- (a)
9 : 12
- (b)
12 : 2
- (c)
27 : 64
- (d)
5 : 8
11. CRE 2 - Proportion | Arithmetic - Ratio, Proportion & Variation
Find the Sub-duplicate ratio of 25 : 16.
- (a)
5 : 4
- (b)
4 : 3
- (c)
4 : 9
- (d)
8 : 3
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