Math, asked by annadaprasadch81, 1 month ago

HCF of a 2 digit number y and 40 is 1 howamy such 2 digit numbers y are there

Answers

Answered by amityd004

1

Answer:

36

Step-by-step explanation:

last digit of y should not be divisible by 2 and 5

so for first digit there are 9 possibility and for second 4

out of ten digit(0,2,4,5,6,8,)

Previous Question

Next Question

Similar questions

Math, 21 days ago

8^15 ÷ 2^30 = plz answer quickly send urgent...

English, 21 days ago

] Complete the words by using correct letters. i) Ba-ging ii) Refu-e 1 Put the words in alphabetical order...

Hindi, 21 days ago

3. કુતમ્માની પ્રષ્ટિએ સો ટચનું સોનું” એટલે (A) ભણતર (B) હાલમાર્કવાળું સોનું (C) ચાંદી જોવો...

English, 1 month ago

3. I am going to the market. (Change into 'past continuous tense') a) I was going to the market. b) I were going to the market. c) I had been to the market. d) I went to the market.

Science, 1 month ago

what is acid rain?? guyz plz tell it fast...

Science, 8 months ago

13. What are Chromosomes ?

Science, 8 months ago

Supposing the energy of fourth shell of hydrogen atom is -50 a.u. (arbitrary unit). What would be its ionization potential ?

Math, 8 months ago

9765625÷1024 can anyone find the answer asap...