Bridget, Jim and Krutika share some sweets in the ratio 4:3:1. Bridget gets 45 more sweets than Krutika. How many sweets are there altogether?

120 sweets

Step-by-step explanation:

Bri:Jim:Kru

4: 3: 1

find the difference in the ratio of Bridget and Krutika

4-1=3

ratio 3 is equivalent to 45 sweets

total ratio(4+3+1)> ?

total no. of sweets= 8x45

3

=120sweets

120

Step-by-step explanation:

The given digits : 9, 8, 7, 5, 3, 1

Number of digits : 6

If repetition of digit is not allowed then we use permutations.

We know that the number of permutations of n things taking r at a time is given by :-

Now, the number of permutations of 6 digits taking 3 at a time is given by :-