User Forum

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
ans a-80. From 1-9 there are 9 digits . so we are left with 151-9=142 digits. Note that from 10 onwards all numbers are of 2 digits. So there are 142/2=71 numbers to have 142 digits. Therefore there are 9+71=80 numbers.

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 7
The no is 31.31x5=155 209=364.Hence neither statement 1 nor statement 2 is correct

Ans 2:

Class : Class 4
Youâre are supposed to multiply the number by 3 hence the answer is C

Class : Class 4

Ans 4:

Class : Class 6
Answer should only and only be D

Class : Class 4
ans-d

Class : Class 4

Class : Class 6

Ans 8:

Class : Class 8
(364-209) divided by 5=3131*3=93So, the answer is C.

Subject :IMO    Class : Class 5

Class : Class 7

Class : Class 5
C

Ans 3:

Class : Class 9
The ans is C 48

Subject :IMO    Class : Class 5

Class : Class 1

Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
the shapes are not clear

Subject :IMO    Class : Class 5

Subject :IMO    Class : Class 5

Class : Class 9
ans =1036844

Ans 2:

Class : Class 9
ans =1036844

Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
3353 is the correct (D)

Subject :IMO    Class : Class 6

Class : Class 1
its {n(n+1)}/2

Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
I think the no.of coins is 798