Question

ab×3=cab what is the answer with logic

Answer 1

ab×3=cab
since the ones digit of 3×b is b must be 0 or 5
ax3 =is also a
since the product contains c and a
ca is not equal to 0
hence,50×3=150
c=1
a=5
b=0

Answer 2

Answer:

Hence, A=5,B=0 and C=1.

(10A+B)∗3=100C+10A+B,30A+3B=100C+10A+B20A+2B=100C3B=10+B,B=5,then2B=1020(A+1/2)=100C,C=1,A=4.

Step-by-step explanation:

Step : 1  In the given problem, if B×3 has to end with B, then B has to be either 0 or 5, because only 0 or 5, when multiplied by 3, will give the same number.

If B=5, then there will be a carry-over, which will not give the next product as

If B=5, then there will be a carry-over, which will not give the next product as C A.

Thus,$\mathrm{B}=0$.

Also, $\mathrm{A} \times 3$ ends with $\mathrm{A}$, so$\mathrm{A}$ =5.

And $3 \times$ 5=15

therefore $\mathrm{C}$ = 1

Hence, A=5,B=0 and C=1.

Step : 2  AB × 5 = CAB. Step-by-step explanation: As the number is multiplied by 5, the result will be multiple of 5.

Step : 3  Five Steps to Problem Solving

First, ask. In order to complete this phase, you must ask yourself the following questions: ...

Step two is to brainstorm.

Choose in Step 3...

Step 4: Carry it out.

Step 5: Assess.

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