Squareroots & Cuberoots Model Questions Set 1 Practice Questions Answers Test with Solutions & More Shortcuts
Squareroots & Cuberoots PRACTICE TEST [1 - EXERCISES]
Squareroots & Cuberoots Model Questions Set 1
Question : 1
$√{450 +890 + 685}$ = ?
a) 45
b) 43
c) 55
d) 53
e) None of these
Answer »Answer: (a)
$√{450 + 890 + 685} = √{2025}$ = 45
Question : 2
$√54 × √2120 ÷ √460$ = ?
a) 140
b) 120
c) 160
d) 180
e) 200
Answer »Answer: (c)
73.86 × 46.04 ÷ 21.44 = ?
? = 74 × 46 ÷ 22
? = 154.7 ≈ 160
Question : 3
The smallest number by which 3888 must be divided so that the resulting number is a perfect square is
a) 6
b) 2
c) 3
d) None of these.
Answer »Answer: (c)
Resolving 3888 into its prime factors, we find that
3888=2×2×2×2×3×3×3×3×3
3888 = (2×2) × (2×2) × (3×3) × (3×3) ×3
Here we find that prime factor 3 is appearing alone.
So, if we divide 3888 by 3, we will get a perfect square number
Question : 4
$√{12 × 145 ÷ 6 + 34}$ = ?
a) $(324)^2$
b) – 18
c) 18
d) $√18$
e) None of these
Answer »Answer: (c)
Question : 5
1190 ÷ $√7225$ × ? = 3094 =
a) 121
b) 221
c) 214
d) 241
e) None of these
Answer »Answer: (b)
$1190/√{7225}$ ×? = 3094 = or, ${1190 × ?}/85$ = 3094
or, ? = ${3094 × 85}/1190$ = 221
IMPORTANT quantitative aptitude EXERCISES
Squareroots & Cuberoots Model Questions Set 1 Online Quiz
Click to Start..quantitative aptitude CATEGORIES
RECENT BLOGS
Recently Added Subject & Categories For All Competitive Exams
New Time and Distance Aptitude MCQ PDF for IBPS Clerk 2024
Latest Time and Distance multiple choice questions and answers with solution PDF for IBPS Clerk Prelims 2024. Practice Speed Aptitude based Objective Mcq
Continue Reading »
Word Formation Objective Questions MCQs for IBPS Clerk 2024
Current year Important Objective Questions and Answers with Explanation for IBPS Clerk Prelims 2024 exam. English Vocabulary multiple choice practice exercises
Continue Reading »
Time and work Questions with Solution PDF IBPS Clerk 2024
Free Time and Work Quants Aptitude concepts based Multiple Choice Questions and Answers Practice Test, Downloadable Quiz PDF for IBPS Clerk Prelims 2024 Exam
Continue Reading »
Series Completion Questions & Answers PDF IBPS Clerk 2024
Top Alphabet Number Series Completion based Verbal Reasoning Multiple choice questions with answers PDF, & Free IBPS Mock tests For IBPS Clerk Prelims 2024
Continue Reading »