Learn
QUESTION
Q
The average weight of 45 boys in a school is 50 kg. If the weight of 5 girl students is added, the average is reduced...
Solution
Total sum of weight of the boys is
= 45 × 50 = 2250 kg
The average weight after the addition of 5 girls is
= 50 − 0.5 = 49.5...
Register & Unlock access to Prep for free
Solution
.hez-title-solution{display: none;}
Keynote
#hez-keynote-title{display: none;}
0
Averages questions available for your Free Practice
0
Quantitative Ability questions available for your Free Practice
General
XAT
IBPS
Important Days
Averages
Placement Tests
Verbal Ability
Symbols & Notations
GATE
LIC
Environment & Biodiversity
CAT
Cloze Test
Spot the Error
Permutations & Combinations
Number System
RBI
Logical Reasoning
Sentence Improvement
Data Interpretation
Progressions & Series
GRE
Order arrangement
Time & Work
Analogies
Expansions
Circular Arrangement
Profit and Loss
Fill in the Blanks
TCS
Simple Equations
Vocabulary
Mensuration
MAT
Quantitative Ability
Pie Chart
Marketing
APPSC
SSC
Miscellaneous - GA
Functions
Ratio & Proportion
Current Affairs 2015
Input - Output
Series
Word Building
Coding & Decoding
Miscellaneous - QA
UPSC
Mathematical Inequalities
GMAT
Data Sufficiency - LR
NMAT
Number Series
Trigonometry
Computers
Passages
Set Theory
Directions
Percentages
Mixtures and Allegations
CMAT
Verbal Reasoning
IIFT
SBI
Quadratic Relations
Marketing
Coordinate Geometry
Algebra
Clocks & Calendars
Computer Knowledge
Line Graphs
Arithmetic Operations
Inequalities
General Awareness
Geometry
Data Problems
Bar Graphs
Blood Relations
Authors & Books
Simple & Compound Interest
Caselet DI
Logarithms
Speed, Time & Distance
Tabular Data
Science & Technology
Numbers
Parajumbles
Miscellaneous - VA
Taglines
Syllogisms
Probability
Quadratic Equations
Polity
Arrangements & Rearrangements
Practice
0
questions for Free
