Others Maths Puzzle

Use 1,2,3,4,5,6,7,8,9 in sequece
condition are use + - * / at least once
and do not use twice the digits only use all once
and the result should be equal to 100

Read Solution (Total 7)

Others Other Question

Let N be the product of five different odd prime numbers. If N is the five-digit number abcab, 4 < a < 8, how many values of N are possible?
Fresh Grapes contain 90% water by wt. Dried grapes contain 20% water by %age. What will b wt of dried grapes when we begin with 20 kg fresh grapes?

a) 2kg
b) 2.4kg
c) 2.5kg
d) none
please tell steps