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Quantitative Aptitude :: Square Root and Cube Root Problems And Answers

Square Root and Cube Root Formulaes

Quantitative Aptitude
Reasoning
Programming
Verbal Ability




















































Directions

Type 2 : To Find the Approximate Value
Directions (Q. Nos. 16 to 30) What Approximate value should come in place of the question mark(?) in the following questions? (You are not expected to calculate the exact value)

21. (72)2 ÷ 3√46650 = ?
A. 169 B. 196
C. 144 D. 136
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22. √6148 - 4 × ? = 726 ÷ 11
A. 3 B. 5
C. 7 D. 9
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23. 180 × √? + 4905 = 9856 - 2196
A. 229 B. 234
C. 339 D. 244
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24. (√9216 - √1640.25) × 1/2 = ?
A. 28 B. 25
C. 29 D. 21
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25. √6550 ÷ 3.005 × 4.99901 = ?
A. 135 B. 142
C. 124 D. 153
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26. 3√9260 × √1444 = ?
A. 768 B. 778
C. 798 D. 799
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27. √360 + √120 = ?
A. 36 B. 34
C. 32 D. 30
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28. √1290/13 × 14/√40 = ?
A. 183 B. 141
C. 114 D. 138
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29. If √3 ≈ 1.732, then the value of 1/√3 is
A. 0.577 B. 0.671  
C. 0.512   D. 0.623  
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30. If √14 ≈ 3.742, then the value of √(7/2) is
A. 1.724  B. 1.652 
C. 1.871  D. 1.911
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Related Topics

Simple Interest
HCF & LCM
Boats and Streams
Calender
Percentage
Problems on volume



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