Square Root, Ratio and Proportions, Percentage
1. What is the square root of 529?
A : 13
B : 23
C : 33
D : 43
2. What is the square root of 0.017?
A : 0.001
B : 0.13
C : 0.00001
D : 0.000001
3. What is the definition of ratio?
A : Relation of two quantities of the same kind
B : Relation of two quantities of the different kind
C : Equality between two ratios
D : Inequality between two ratios
4. What is the ratio of 4 kg to 800 grams?
A : 5 : 1
B : 4 : 8
C : 8 : 4
D : 2 : 4
5. What percentage of 80 is 20?
A : 0.8
B : 0.4
C : 0.25
D : 0.2
6. How much is 8% of 40 kg?
A : 2.2 kg
B : 3.2 kg
C : 4.2 kg
D : 5.2 kg
7. Convert 52% into fraction?
A : $\displaystyle \frac{9}{25}$
B : $\displaystyle \frac{11}{25}$
C : $\displaystyle \frac{13}{25}$
D : $\displaystyle \frac{17}{25}$
8. Convert 0.456 decimal fraction into percentage?
A : 45.6%
B : 0.0456
C : 0.456%
D : 0.0456%
9. What is the x value for x² + 6² = 10²?
A : 4
B : 6
C : 8
D : 10
10. What is the square root of decimal number 550.37?
A : 21.26
B : 22.26
C : 22.46
D : 23.46
11. What is the value of √8+√18-2√2 ?
A : 2.24
B : 3.24
C : 4.24
D : 5.24
12. What is the side AB if AC = 10 cm and BC = 6 cm?
B : 6 cm
C : 5 cm
D : 4 cm
13. What is the side AB, if BC = 15 cm and AC = 9 cm?
B : 8 cm
C : 10 cm
D : 12 cm
14. What is the value of side AC if AB = 7 cm and BC = 5 cm?
B : 8.6 cm
C : 8.4 cm
D : 8.1 cm
15. What is the length L2, if total length 2.75 meter and L1 : L2 = 2 : 3?
A : 1.1 meter
B : 1.25 meter
C : 1.65 meter
D : 1.75 meter
16. How many days a mechanic takes to assemble 64 machines if he assembles 8 machines in 3 days?
A : 20 days
B : 22 days
C : 24 days
D : 26 days
17. What will be the rpm of smaller gear if a 180 mm dia meshes with 60 mm dia gear and the bigger gear makes 60 rpm?
A : 120 rpm
B : 140 rpm
C : 160 rpm
D : 180 rpm
18. What is the percentage of copper if the casting weight of copper 42.3 kg and tin weight 2.7 kg?
A : Cu 92%
B : Cu 94%
C : Cu 96%
D : Cu 98%
19. A motor cycle tyre is sold for Rs 300/- what is the purchase price if 25% profit is added to it.
A : Rs 200
B : Rs 220
C : Rs 240
D : Rs 260
20. What is the decimal fraction conversion of 18.5%?
A : 0.185
B : 0.175
C : 0.165
D : 0.195
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