a three (-) digit odd number 7* (+)has* in th tens place and + in the ones place - Maths -

Question

a three (-) digit odd number 7* (+)has* in th tens place
and + in the ones place the product of its three digits is 84 what
does * stands for??
1) 6
2) 4
3) 3
4) 2

Abhishek Kr. Jha · Accepted Answer

First we will do the prime factorisation of 84 as;
84 = 2×2×3×7Since we have to find three digit odd numbers so we can write 84 = 7×4×3
And the required number is negative odd digit number
So the number is -743
Therefore * stands for 4 and hence option (2) is correct

a three (-) digit odd number 7* (+)has* in th tens place and + in the ones place . the product of its three digits is 84. what does * stands for?? 1) 6 2) 4 3) 3 4) 2

**a three (-) digit odd number 7* (+)has* in th tens place and + in the ones place . the product of its three digits is 84. what does * stands for??

1) 6

2) 4

3) 3

4) 2**