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ElitmusZone » Cryptarithmetic Multiplication 13

# Cryptarithmetic Multiplication 13 1. Find the value of G + A + S ? (a) 12 (b) 13 (c) 14 (d) 15
 2. Find the value of 2S + R? (a) 9 (b) 5 (c) 10 (d) 12
 3. Value of F ? (a) 1 (b) 2 (c) 3 (d) 4

1. Varun

here, why S cant be 6.
since 6*even no = even no.
and then I,B,F can be even nos.

1. Akshay

S can’t be 6 because it makes F,B,I even digits (2,4,8) and none of the even digit satisfy the rules when a hit and try is made on each.

2. Nidhi

Value of R here must be 8 not 9.

3. vikas solanki

you can proceed like this
just hint
S*F=F
S*B=B
S*I=I

POSSIBLE VALUES OF S {6,1}
IS S=6 THEN POSSIBLE VALUES OF F ,B AND I WILL BE{2,4,8} NOT IN THE SAME ORDER

IF YOU WILL LOOK INTO MULTIPLICATION
B + B=T
IF B=2->T=4 NOT POSSIBLE AS F AND I ,ONE OF THEM WILL HAVE 4
IF B=4->T=8 NOT POSSIBLE AS ONE OF TWO F AND I WILL HAVE 8
IF B=8->T=6 NOT POSSIBLE as s=6
SO REJECT S=6…SO S WILL SURELY BE 1
G A S
*B USE UNIT DIGIT METHOD IN THIS B{2,3,4,,,,,,,,9}
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S S T B
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4. Tapajyoti

very good question