# User Forum

Subject :IMO    Class : Class 6

Place value of a digit decreases by ______ times as it moves place by place from left to right.

A 100
B
C 10
D 1000

stupid answer it is actually c

## Ans 1:

Class : Class 8
THE ANSWER IS - B

## Ans 2:

Class : Class 8
I think answer is B.....as we have to divide the digit by number 10 each time we move from left to right .....and so its value decreases eg 500 is divided by 10 (500*1/10 = 50) to make its place value from hundred to tens

Class : Class 10

## Ans 4:

Class : Class 6
answer should be C because it already says the word divide and if we write ans as B then it will become ( eg. 100/1/10 = 1000) hence it should be ( eg. 100/10 = 10) . PLS CORRECT IT SOF !!!!!

## Ans 5:

Class : Class 8
c is right because we have to multiply cause we are given times.. 1000x___= 100... so we get 1000/10= 10 so c is right

## Ans 6:

Class : Class 7
answer should be Cas 100 /10 is 10

Class : Class 6
Cccc!

Class : Class 7

Class : Class 6
c

## Ans 10:

Class : Class 6
the answer should be option C

## Ans 11:

Class : Class 6
look at solution please

Class : Class 8
c

## Ans 13:

Class : Class 8
it should be B as it is decreased by not increased if it was increased than it was 10

Class : Class 8

## Ans 15:

Class : Class 9
THE ANSWER SHOULD BE (B) PLEASE VERIFY SOF!!!!

Class : Class 7
ans should be C

## Ans 17:

Class : Class 8
in synopsis its given that the place value decreases by 10

## Ans 18:

Class : Class 6
Decreases means division and increases means multiplication.Over here it says decreases and therefore it is division.For example let us take 100.(B) 100/ 1/10 = 100 * 10 = 1000(C)100/10 = 10Therefore,C is correct as 1 moves from left to right.

Class : Class 10

Class : Class 8

## Ans 21:

Class : Class 8
The answer is B cause they are saying step by step from LEFT to RIGHT that means it is increasing but as they have said decreasing the answer is B . eg- 10 increases by 10 when it goes from tens to hundred. So it decreases by this formula - 10 divided by 1/10 ( dividing a whole number by a fraction = whole number X the reciprocal of the fraction) = 10x10 = 100

## Ans 22:

Class : Class 9
As he is saying times, it should be 10 and not 1/10. So, answer should be C

## Ans 23:

Class : Class 6
Ans should be (c)

Class : Class 7
C

## Ans 25:

Class : Class 10
answer is bwhen we move from left to rightexample-1000 to 100how do you get 100 by dividing it by 10 right?i.e 1000/10 = 100answer = 1/10

## Ans 26:

Class : Class 7
the answer is C.. B is the wrong answer . if we have to move the digits from left to right we should multiply and not divide.. please clarify SOF..

## Ans 27:

Class : Class 6
the correct answer is [B] because if we take a no. as 10.ok.then i am doing like example see- 10X1/10 so it is =1 so it decreased

## Ans 28:

Class : Class 6
ans should be cccc.

Class : Class 10

## Ans 30:

Class : Class 6
The and should be C

Class : Class 6
Ans is (c).

## Ans 32:

Class : Class 8
The correct answer is (C) because the question asks you by how many times it is DECREASING from LEFT TO RIGHT . If it said increasing, then the answer would be (B)

## Ans 33:

Class : Class 6
Remember LEFT TO RIGHT

Class : Class 6
c

## Ans 35:

Class : Class 8
correct ans. should be C

## Ans 36:

Class : Class 7
Answer should be C

## Ans 37:

Class : Class 8
answer should be c not b

Class : Class 9
and should be c

## Ans 39:

Class : Class 10
answer should be c

## Ans 40:

Class : Class 10
The answer is (c)

## Ans 41:

Class : Class 6
The CORRECT answer is CCCCCCCCCCC mr SOF

Class : Class 6
c

Class : Class 7
ans should be c

Class : Class 8
Its C

## Ans 45:

Class : Class 8
ans. should be [C].

## Ans 46:

Class : Class 6
The correct answer is C as 100/10 is 10, 1000/100 is also 10.

## Ans 47:

Class : Class 7
decreasing by 1/10 is not possible . the answer should be (c)

## Ans 48:

Class : Class 6
how can it decrease by 1/10. it changes by 1/10 and decreases by 10 times answer should be C

## Ans 49:

Class : Class 6
Ans c only makes sense

## Ans 50:

Class : Class 5
correct ans. should be C

## Ans 51:

Class : Class 6
The answer is c. It decreases by 1 by 10 when it goes from right to left, not from left to right.

## Ans 52:

Class : Class 7
Answer should be C