Question

43° c
12. Three babies A, B and C cry out at every interval of
7m
tan 43 = 0.93, sin
0.68 and tan 47° = 1.07
A 470m B 851m
C.749m 09.57
BO
Fig. 1
time. Baby A cries out at every 20 minutes, while B
cries out at every 30 minutes and cat every 40
minutes. If they are observed at the same time, after
what time will the three of them cry together?
A After 20 minutes
B. After 30 minutes
C. After 40 minutes D. After 120 minutes

​

Answer 1

Answer:

43° c

12. Three babies A, B and C cry out at every interval of

7m

tan 43 = 0.93, sin

0.68 and tan 47° = 1.07

A 470m B 851m

C.749m 09.57

BO

Fig. 1

time. Baby A cries out at every 20 minutes, while B

cries out at every 30 minutes and cat every 40

minutes. If they are observed at the same time, after

what time will the three of them cry together?

A After 20 minutes

B. After 30 minutes

C. After 40 minutes D. After 120 minutes