-
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
Answer & Explanation
Answer: Option C 
? = (72)2 ÷ 3√46650
3√46650 ≈ 3√(36 × 36 × 36) ≈ 36
= (72 × 72)/36 = 144
View Answer
- 22. √6148 - 4 × ? = 726 ÷ 11
A.3
B.5
C.7
D.9
Answer & Explanation
Answer: Option A
√6148 ≈ 78
=> 78 - 4 × ? ≈ 726/11 ≈ 66
=> (78 - 66)/4 ≈ ? => ? ≈ 3
View Answer
- 23. 180 × √? + 4905 = 9856 - 2196
A.229
B.234
C.339
D.244
Answer & Explanation
Answer: Option B
234
View Answer
- 24. (√9216 - √1640.25) × 1/2 = ?
A.28
B.25
C.29
D.21
Answer & Explanation
Answer: Option A
28
View Answer
- 25. √6550 ÷ 3.005 × 4.99901 = ?
A.135
B.142
C.124
D.153
Answer & Explanation
Answer: Option A
√6550 ÷ 3.005 × 4.9901 = ?
√6550 ≈ √(81 × 81) ≈ 81
Now, = 81 ÷ 3 × 5 ≈ (81 × 5)/3 ≈ 135
View Answer
To whom this Square Root and Cube Root Questions and Answers section is beneficial?
Students can learn and improve on their skillset for using Verbal Ability effectively and can also prepare for competitive examinations like...
- All I.B.P.S and Public Sector Bank Competitive Exam
- Common Aptitude Test (CAT) Exams
- UPSC Paper-II or CSAT Exams
- SSC Competitive Exams
- Defence Competitive Exams
- L.I.C / G.I.C AO and Clerk Competitive Exams
- Railway Competitive Exam
- University Grants Commission (UGC)
- Career Aptitude Test (IT Companies) and etc.