IQ Complete Notes

s_ !÷$ v_ !÷* u_ !÷% 3_ !÷!)
u_ $÷#% 3_ @÷!%
%= )=!@ nfO{ leGgdf nh} fbf slt xG' 5 < u_ %)Ü 3_ &%Ü
u_ *)Ü 3_ !%Ü
s_ #÷@% v_ #÷@) u_ @$Ü 3_ %)Ü
u_ )=))@% 3_ )=))))@%
^= )=% nfO{ k|ltztdf n}hfbf slt x'G5 < u_ @ 3_ )=))@
%= -s_ ^= -u_ &= -s_ *= -v_ (=-s_ !)= -v_
s_ @%Ü v_ !%Ü

&= )=$ nfO{ k|ltztdf nh} fbf slt xG' 5 <

s_ $)Ü v_ @)Ü

*= )=@% nfO{ k|ltztdf nh} fbf slt x'G5 <

s_ @)Ü v_ @%Ü

(= @%Ü nfO{ bzdnjdf nh} fbf slt xG' 5 <

s_ )=@% v_ )=)@%

!)= @)Ü nfO{ bzdnjdf n}hfbf slt x'G5 <

s_ )=)@ v_ )=@

Answer Sheet Decimal

!= -v_ @= -s_ #= -u_ $= -v_

Ratio and Average

cgk' ft / cf};ft
;fwf/0f lgodx?

cgk' ftsf] sg' } OsfO xb' g} cg'kft lgsfNg] a:ts' f] OsfO{ ;dfg x'g' kb{5 . cyjf b'O{ jf b'O{ eGbf a9L
kl/df0fx?sf] OsfO{ Pp6d} f kl/0ft ul/ cg'kft lgsfNg' kb5{ . lbOPsf] cg'kftsf] ;xfotfn] Pp6f j:t'sf] kl/df0f yfxf
ePdf csf]{ j:ts' f] kl/df0f kQf nufpg ;lsG5 .

olb A / B ;dfg OsfOsf b'O{ /fzL xg' eg] A ;Fu B sf] cg'kft (The ration of A to B) nfO{ A/B cyjf
a:B af6 hgfOG5 .
pbfx/0f
!_ ljsf; / ;fg] 'sf] pd/] sf] cgk' ft @M# 5 . ltgLx?sf] pd]/sf] ofu] kmn $) eP, ;f]g'sf] pd]/ slt xfn] f <

Soln.

2x + 3x = 40 ⇒ 5x = 40

40
x= 5 = 8

3 × 8 = 24

;fn] 'sf] pd/] @$ aif{ /x]5 .
@_ /jLsf] prfO{ $* OGr 5 eg] l;tfsf] prfO #^ OGr 5 eg] /jL / l;tfsf prfO{sf] cgk' ft slt

x'G5 .
/jL / l;tfsf] prfO{sf] cg'kft Ö $*÷#^
ct /jL / l;tfsf] prfO{sf] cgk' ft Ö $M#

Exercise 1

!_ $ lsnf]uf| d / %)) uf| dsf] cg'kft lgsfNg'xf];\ <

s_ *M! v_ %M# u_ ^M! 3_ &M@

@_ @ j6f kl/df0fx? -#M$_ sf] cg'kftdf 5g olb bj' a} f6 % 36fpbf gofF cg'kft %M& x'G5 eg] lt kl/df0fx? slt
slt 5g\ <

s_ @) / #) v_ #) / $) u_ $) / %) 3_ sg' } klg xf]Og .

#_ olb bj' j{ 6f ;V+ ofx?sf] cgk' ft !M@ 5 / tL bO' { ;V+ ofx?sf] of]ukmn *! xG' 5 eg] tL ;V+ ofx? s'g sg' x'g\ <

s_ @# / @% v_ @$ / @& u_ @& / %$ 3_ ( / @&

$_ olb bO' { cf]6f ;+Vof?sf] cg'kft #M% 5 / tL ;V+ ofx?sf] cGt/ !) 5 eg] tL ;+Vofx? s'g s'g xg' \ < kQf

nufpgx' f]; .

s_ !% / @% v_ @) / #) u_ !) / @) 3_ #% / $%

%_ /fd / xl/sf] xfnsf] pd]/sf] cgk' ft #M$ 5 $ aifK{ l5 of] cg'kft &M( xG' 5 eg] ltgLx?sf] xfnsf] pd]/ slt x]fnf

<

s_ !$ / @$ v_ !^ / @* u_ @$ / #@ 3_ s'g} klg xf]Og

^_ k|lt ls=uf| #) ug{] # ls=uf| bfndf kl| t ls=u|f !% kg{] @ ls=uf| bfn ld;fpbf To;sf] cf};t dN" o slt sfod

xf]nf .

s_ @@ v_ @$ u_ @^ 3_ @*

&_ k|lt ln= @) kg]{ / k|lt ln= !) kg{] b'O{ el/ tn] #M@ sf] cgk' ftdf ld;fpbf, l;;fj6 t]nsf] kl| t ln6/ dN" o slt
xG' 5 <

s_ !) v_ !^ u_ @) 3_ @$

*_ & ljifosf] c+zsf] cf};t ^) 5 . olb cufl8sf $ ljifox?sf] cs+ sf] cfi} ft %% / k5f8Lsf $ ljifosf] cs+ sf]

cf}if ^# 5 eg] rf}yf] ljifosf] cs+ slt xf]nf <

s_ %$ v_ %@ u_ %$ 3_ %*

(_ !)) ljBfyL{sf] dWos $) eP5 t/ kl5 csf]{n] o; lx;fjnfO{ /fd/| L hfrF ubf{ $) cz+ nfO{ *) /fv/] lx;fj
u/]sf] 7x/ eP5 cj z4' dWos slt xfn] f <

s_ $) v_ $)=^ u_ #$ 3_ #(=^

!)_ lgtf / lutfsf] pd/] sf] cg'kft @M# 5 . ltgLx?sf] pd/] sf] of]ukmn $) eP lutfsf] pd/] slt xf]nf <

s_ !^ v_ @) u_ @$ 3_ #)

Answer Sheet Ratio and Average

!= -s_ @= -v_ #= -u_ $= -s_ %= -u_ ^= -v_ &= -v_ *= -v_ (= -3_ !)= -u_

h) Insert the Correct Mathematical Sign

Type-1

1. Insert the correct mathematical sign

(125 ? 25) × (15 – 7) = 10 + 30

(a) + (b) – (c) × (d) ÷
(d) ÷
2. Insert the correct mathematical sign (d) ÷
(d) ÷
(8 + 4 + 8) ? 2 = 10 (d) ÷

(a) + (b) – (c) ×

3. Insert the correct mathematical sign

(2 × 5 × 3) ? (6 × 1 × 5) = 60

(a) + (b) – (c) ×

4. Insert the correct mathematical sign

(3 + 4 + 3) ? (5 + 3 + 2) = 100

(a) + (b) – (c) ×

5. Insert the correct mathematical sign

(4 ? 4) + (2 + 2) = 20 (c) ×
(a) + (b) –

sfl] zz z}lIfs sG] b| -nf]s ;]jf

TYPE 2 : PROBLEM SOLVING BY SUBSTITUTION

1. If + means ,  means –, ÷ means + and – means ÷, then which of the following gives the result of 175
– 25 ÷ 5 + 20  3 ÷10 ?

(a) 77 (b) 160 (c) 240 (d) 2370

2. If L stands for +, M stands for –, N stands for , P stands for ÷, then

14 N 10 L 42 P 2 M 8 = ?

(a) 153 (b) 216 (c) 248 (d) 251

3. If P denotes ÷ , Q denotes , R denotes + and S denotes –, then what is the values of

18 Q 12 P 4 R 5 S 6 ?

(a) 53 (b) 59 (c) 63 (d) 65

4. If – means ÷, + means , ÷ means –,  means +, then which of the following statements of correct ?

(a) 52 ÷ 4 + 5  8 – 2 = 36 (b) 43  7 ÷ 5 + 4 – 8 = 25

(c) 36  4 – 12 + 5 ÷ 3 = 420 (d) 36 – 12  6 ÷ 3 + 4 = 60

5. If '+' stands for 'division', '÷' for 'multiplication', '' stand for 'subtraction' and '–' stand for 'addition',

which of the following is correct ?

(a) 18 ÷ 6  7 ÷ 5 – 2 = 22 (b) 18  6 + 7 ÷ 5 – 2 = 16

(c) 18 ÷ 6 – 7 + 5  2 = 20 (d) 18 + 6 ÷ 7  5 – 2 = 18

-–