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Pls Solve This Quantitative Reasoning Book 4 Exercise 2a - Education - Nairaland

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Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by sayoddy(f): 5:22am On Sep 18, 2022
Pls scholars, help me (though, it was given to my son but I'm the one cracking brain �) solve this with explanation . It must be submitted on Monday

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Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by Peterrio: 6:06am On Sep 18, 2022
sayoddy:
Pls scholars, help me (though, it was given to my son but I'm the one cracking brain �) solve this with explanation . It must be submitted on Monday
Whatever addition or subtraction is done on the left side of the blender must be done on the right side of the blender in the same order

a 37
b 26
c 264
d 395
e 18
f 42
g 71
h 84

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Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by Nobody: 6:55am On Sep 18, 2022
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Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by jeromestarks: 9:25am On Sep 18, 2022
Add 11 to a number on the left to get a he correspondending number on the right.

Subtract 11 from a number on the right to get the corresponding number on the left.

66 + 11 = 77.

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Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by jeromestarks: 9:26am On Sep 18, 2022
sayoddy:
Pls scholars, help me (though, it was given to my son but I'm the one cracking brain �) solve this with explanation . It must be submitted on Monday
Have you been delivered of your baby?
Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by Draslo(m): 10:17am On Sep 18, 2022
jeromestarks:
Add 11 to a number on the left to get a he correspondending number on the right.

Subtract 11 from a number on the right to get the corresponding number on the left.

66 + 11 = 77.
11 na the key. Homework is for parents and guardians too. You can teach your child better than any other human during these development years

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Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by efficiencie(m): 11:38am On Sep 18, 2022
sayoddy:
Pls scholars, help me (though, it was given to my son but I'm the one cracking brain �) solve this with explanation . It must be submitted on Monday

Let the numbers on either side of the blender be:

x, y, z

in that order. The rule for calculating the missing values is:

x - 2y + z = 1

With this rule you can calculate the missing values given any two values. It applies to either side of the blender.

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Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by adeememman(m): 12:28pm On Sep 18, 2022
sayoddy:
Pls scholars, help me (though, it was given to my son but I'm the one cracking brain �) solve this with explanation . It must be submitted on Monday
A 91
B 80**
C 292
D 339
E 17
F 42.5
G 71
H 84
I 8.0
J 7.5

From the example
Let the first, second and third figures be represented by a, b and c respectively

The first figure a = 66
The second B= a+x
72 = 66+ x
Subtract 66 from both sides
X = 72-66= 6
The third figure C = b+x+1 = a+x+x+1
Check: 79= 72+6+1= 66+6+6+1.

To find any figure we will make use of this general formula
C = b+x+1 = a+x+x+1
Where X= b-a or c-b-1

To the questions
A) The missing alphabet is in the position c = b+x+1 or a+x+x+1
To find x = b-a = 54-18 = 36
C = b + x+1 = 54+36+1= 91


Question (B)
B is in first position which is a
To find x without knowing a
X= c-b-1
=42-62-1
=42-63
X=-18
Since b=a+x
62= a+(-18)
62= a-18
62-(-18)= a
62+18= a
a =80
Therefore question B which is in first position =80
Question c is in second position b
To find x without knowing b
C=a+x+x+1
365=220+x+x+1
365=221+2x
2x= 365-221
2x= 144
x=72
To find b
b=a+x
= 220+72
=292
Question c = 292

Question D is in the third position c
a=250
b=a+x
294= 250+x
x= 294-250= 44

c= b+x+1
= 294+44+1
= 339
Question D is 339

Question E is in the first position a
To find x without knowing a
C= b+x+1
44= 30+x+1
44=31+x
x=44-31=13
Now b=a+x
30= a+13
a=30-13
=17
Question E=17

Question F which is in the second position b
To find x without b
c= a+x+x+1
56=30+x+x+1
56=31+2x
2x=56-31
2x=25
x=12.5
b=a+x
= 30+12.5
=42.5
Question F =42.5

Question G
G is in the second position b
To find x without knowing b
C=a+x+x+1
83=60+x+x+1
83=61+2x
2x=83-61
2x=22
x=11

b=a+x
b=60+11
=71
Question G =71

Question H
H is in the third position c
To find x,
x=b-a
x=72-61=11
x=11
c= b+x+1
= 72+11+1
=84
Question H= 84

Question I
I is in the first position a
To find x without a
c=b+x+1
10.0= 8.5+x+1
10.0= 9.5+x
x= 10.0-9.5
x=0.5

b =a+x
8.5= a+0.5
a=8.5-0.5= 8.0
Question I=8.0

Question J
J is in the second position b
To find x without knowing b
c=a+x+x+1
10.5=5.5+x+x+1
10.5= 6.5+2x
2x= 10.5-6.5
2x=4.0
x=2.0

b=a+x
b= 5.5+2.0
b =7.5

Question J= 7.5

I hope this help. If you need more help my WhatsApp number is in my signature.

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Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by adeememman(m): 12:42pm On Sep 18, 2022
.

1 Like

Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by VKN23: 12:55pm On Sep 18, 2022
sayoddy:
Pls scholars, help me (though, it was given to my son but I'm the one cracking brain �) solve this with explanation . It must be submitted on Monday
Op this is the two ways of solving it
hope say you go send me airtime sha wink

PS SORRY FOR MY HANDWRITING SHA
IT CANT BE HELPEDgrin

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Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by Lastpharoah33: 2:05pm On Sep 18, 2022
isn't this way too complex for an elementary pupil?

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Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by boman2014: 2:13pm On Sep 18, 2022
Lastpharoah33:
isn't this way too complex for an elementary pupil?

I wonder.

2 Likes

Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by aurecia: 8:36pm On Sep 18, 2022
66+6=72 .72+7=79. Add one to get the next number after 6

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Re: Pls Solve This Quantitative Reasoning Book 4 Exercise 2a by GodsOwnMan: 11:37pm On Sep 18, 2022
sayoddy:
Pls scholars, help me (though, it was given to my son but I'm the one cracking brain �) solve this with explanation . It must be submitted on Monday

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