model 3 fraction of numbers Section-Wise Topic Notes With Detailed Explanation And Example Questions
MOST IMPORTANT quantitative aptitude - 6 EXERCISES
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The following question based on number system topic of quantitative aptitude
(a) 51
(b) 85
(c) 56 $2/3$
(d) 34
The correct answers to the above question in:
Answer: (a)
Let the longer part be x
According to question,
Shortest part = $\text"2x"/3$
x + $2/3$x = 85m
= $\text"3x + 2x"/3$ = 85
= $\text"5x"/3$ = 85
∴ x = 51m
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Read more fractional numbers Based Quantitative Aptitude Questions and Answers
Question : 1
Fraction between $2/5$ and $4/9$ is :
a) $1/2$
b) $4/5$
c) $2/3$
d) $3/7$
Answer »Answer: (d)
$2/5$ and $4/9$ = 0.40 and 0.44 Fraction between these two =$3/7$= 0.42
Question : 2
A man spends $1/4$ th of his income on food $2/3$ rd of it on house rent and the remaining income which is Rs.630 on other commodities. Find his house rent.
a) Rs.4458
b) Rs.4890
c) Rs.3520
d) Rs.5040
Answer »Answer: (d)
Suppose total income = Rs.$x$
$x - x/4 - {2x}/3$ = 630
$x/12$ = 630
$x$ = 7560
House rent = $2/3$ × 7560 = Rs.5040
Question : 3
Find a number, one-seventh of which exceeds its eleventh part by 100.
a) 1340
b) 1540
c) 1825
d) 1925
Answer »Answer: (d)
Let the number be x.
$x/7$ – $x/11$= 100
${11x – 7x}/{11×7} = 100$
$4x$ = 77 × 100
$x = {77 × 100}/4$=1925
Question : 4
A man read $2/5$ th of a book on the first day. He read $1/3$ rd more on second day than he read on the first day. 15 pages were left for the third day. The number of pages in the book is
a) 250
b) 225
c) 105
d) 100
Answer »Answer: (b)
Let the number of pages in the book be x.
According to the question,
${2x}/5 +{2x}/5 +{x}/3 ×2/5 + 15 = x$
${4x}/5 +{2x}/15 + 15 = x $
${12x + 2x + 225}/15 = x$
$15x = 14x $+ 225
$15x – 14x = 225$
$x$ = 225
Question : 5
A man spends $1/3$ of his income on food, $2/5$ of his income on house rent and $1/5$ of his income on clothes. If he still has Rs.400 left with him, his income is
a) Rs.7000
b) Rs.6000
c) Rs.5000
d) Rs.4000
Answer »Answer: (b)
Let the man’s income be Rs.x
According to the question,
x - $x/3 –{2x}/5 – {1x}/5$= 400
or x${(1-1/3-2/5-1/5)}$ =400
or x$({15 – 5 -6 -3}/15)$ = 400
or x ×$1/15$= 400
or x = 15 × 400 = Rs.6000
GET number system PRACTICE TEST EXERCISES
model 1 basic number system
model 2 divisibility, multiples, add and subtract based number system
model 3 fraction of numbers
model 4 finding unit place of a number
model 5 smallest and largest fraction/numbers
model 6 operations of consecutive numbers (odd, even, square, etc.)
number system Shortcuts and Techniques with Examples
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model 1 basic number system
Defination & Shortcuts … -
model 2 divisibility, multiples, add and subtract based number system
Defination & Shortcuts … -
model 3 fraction of numbers
Defination & Shortcuts … -
model 4 finding unit place of a number
Defination & Shortcuts … -
model 5 smallest and largest fraction/numbers
Defination & Shortcuts … -
model 6 operations of consecutive numbers (odd, even, square, etc.)
Defination & Shortcuts …
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