Page 176 - MergedFile

!!!
between! the! two! prices! is! 7x@5x=2x,it! is! given!
as!!8000.!
2x=8000!implies!x=4000.!
so! price! of! scooter! is! 7x=7*4000=28000!!
and!price!of!tv!set!is!5x=5*4000=20000!
55. Speed!5:!4!:!6!
3
3
!!!!!!!Time" ∶ "3 ∶" !or!! 3%∶3$∶36 !
$" 4 2 %26
!
56. >Let!the!number!be!3x!and!4x.!Then!(3x/4x)!=! .$ $
3/4!! 83#366#%
Again,! (3x+6/4x+6)! =! 4/5! (! given! that! when! both! 58.$!t!= 4$6#9 !=!4!yr!
%6
numbers!are!increased!by!6!the!ratio!becomes!4/5)!! 59.$r!=! :;#"366 =! 36666#366 != !=666%≅6.75%!
5(3x+6)!=!4(4x+6)! <#= 36666#"3$ 5
!=>!15x!+!30!=!16x!+!24!! 60.365.089!–!x!+89.72!=!302.35!
=>!x!=!6!! !!!!!454.809@302.350!=!x!⇒!x!152.459!
Thus,!first!number!is!6!*!3!=!18!! 61.$60x!3.60!=!₹!216!
second!number!is!4*6!=!24! !!!!!!312!@216!=!₹!96!
! """""""∴Number!of!girls!=!! 92 != 92#366 !=!40!
%.46 %46
!!
83.!!Required!figure!is!obtained!by!changing!the!position!of!question!figure!from!vertical!to!horizontal.!
84.!!In!all!other!options,!corner!cut!is!along!the!right!side!line.!According!to!the!question,!corner!cut!should!be!along!
left!line.!
87.!!Required!figure!is!obtained!by!vertical!orientation!of!the!question!figure.!
90.!!Here,!answer!figure!is!obtained!by!rotating!the!question!figure.!
91.!!Here,!thinner!tower!is!on!left!side!of!thicker!tower.!

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