English, asked by Tanmay9563946, 1 year ago

Reena starts climbing up 5 stairs every second and then she climbs down 2 stairs over the nxt second. How many seconds will she take to climb up 60 stairs

Answers

Answered by sana009
1
40 seconds...............
hope it will help u

MDHIVYADHARSHINI: how did you get the answer please explain me
sana009: pls mark it as brainlist
MDHIVYADHARSHINI: how did you get the answer please explain me
Tanmay9563946: pls show the working
MDHIVYADHARSHINI: explain me how did you get the answer
sana009: now pls mark it as brainlist
Answered by Ajitesh22
0
33 seconds.... It will be a combination of 2 arithmetic progressions

Tanmay9563946: wrong
MDHIVYADHARSHINI: how did you get the answer explain
Ajitesh22: Pata nahin
Ajitesh22: 40 kaise aaya bhai
Tanmay9563946: but 40 is the correct answer as it is given on the back of my book
MDHIVYADHARSHINI: how did it come
Ajitesh22: Yaar simple calculation
sana009: 1 sec = 5 steps 2 sec = -2 steps = 3 steps 60 seconds = 60 / 3 = 20 so 20 * no. of sec per 3 steps = 40 seconds
MDHIVYADHARSHINI: tq
Similar questions