Having good practice on logical reasoning math questions is very important to
crack any online written test. To solve logical reasoning math questions, you
do not need to know complex math formulas. You just need to have basic math
skills (Addition, Subtraction, Multiplication and Division) along with logical
thinking.
However, the most important thing over here is the time that you are taking to
solve the question. If you are able to solve the logical reasoning math
question within a minute then you will get enough time to solve other criteria
questions which may take more time. So that, you can easily crack any online
written test.
How to solve logical reasoning math questions within a minute?
The answer is Practice!!! As I said above, you just need basic math skills,
logical thinking skills and practice.
Practice maximum questions which are available here and improve your logical
reasoning math skills.
Logical Reasoning Math Question:
Find the number which replaces the question mark.
4 = 32
5 = 50
6 = 72
7 = 98
8 = 128
10 = ?
Answer Explanation For Logical Reasoning Math Question:
Take the first equation i.e., 4 = 32. Consider this as A*A*2 = B. Then the
actual logic behind this is 4*4*2 = 32. Lets implement this on all the given
equations.
4 = 32 (Actual Logic: 4*4*2=32)
5 = 50 (Actual Logic: 5*5*2 = 50)
6 = 72 (Actual Logic: 6*6*2= 72)
7 = 98 (Actual Logic: 7*7*2 =98)
8 = 128 (Actual Logic: 8*8*2 = 128)
10 = ?(Actual Logic: 10*10*2 = 200)
So, the answer is 200.
Tip: Do not look only at the first equation (i.e., 4*4*2 = 32) and start
thinking how it is equal to 6. Look at two or three equations and try to find
the common thing in it. In this scenario, the common thing is A*A*2. You may
not get it, but you will definitely get it after practicing these kinds of
questions regularly.
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14 comments:
4 = 32 - > 4*(4*2)=32 ,
5 = 50 - > 5*(5*2)=50,
6 = 72 - > 6*(6*2)=72,
7 = 98 - > 7*(7*2)=98,
8 = 128- > 8*(8*2)=128
Then 10*(10*2)=200 Answer
4=32 - 4*4+4*4=32
5=50 - 5*5+5*5=50
6=72 - 6*6+6*6=72
7=98 - 7*7+7*7=98
8=128 - 8*8+8*8=128
Then 10=200 - 10*10+10*10=200 Answer
Concept=suare the num* 2
(4*4) *2=32
(5*5) *2=50
(6*6) *2=72
(7*7) *2=98
(8*8) *2=128
(10*10) *2=200
Simple and short approach.....
Why it cannot be?
4 x 08 = 32
5 x 10 = 50
6 x 12 = 72
7 x 14 = 98
8 x 16 = 128
9 x 18 = 162
10 x 20 = 200
Ans is 180 this correct anw
162
32-50=18
50-72=22
72-98=26
98-128=30
128-162=34
Difference is 4 that's why 162 is Anwer
200
4*8=32
5*10=50
6*12=72
7*14=98
8*16=128
9*18=162
So answer is 162
180
200
180
200
180
4*8=32
5*10=50
6*12=72
7*14=98
8*16=128
10*18=180
the difference between each multiply is 2....
so it is also one of the way
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