Question

16. There are four prime numbers written in

ascending order. The product of the first

three is 1001 and that of the last three is

2431. The last number is​

Answer 1

Answer:

There are four prime numbers written in ascending order. The product of the first three is 385 and that of the last three is 1001

Answer 2

Answer:

last number(d)= 17

Step-by-step explanation:

Let the 4 numbers be a,b,c,d

Product of first three numbers abc = 1001

Product of last three numbers bcd = 2431

Divide these two numbers

abc/bcd = 1001/2431

b & c are cancelled in the left side

Divide those numbers as suitable and you can divide with 11, 13

You will get as the following

a/d = 7/17

a is the first number

d is the last number

a=7

d=17

Hence the last number is 17

You need to divide asper the options given in the question and I think you know that, sometimes they may give the options in decimal and I think you know to do :)

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