Question

Mark the correct alternative in each of the following:
1. What distance (in m) will a train cover in 1 minute travelling at 72 km/hr?
3. If the cost of 25 pencils is 75, then the cost of 75 penciles is
(b) 1200
(b) 360
(a) 120
(C) 1400
2. If the cost of 15 mangoes is: 180, then what is the cost of 25 mangoes?
(d) 720
(a) 220
(c) 200
(d) 300
(a) 225
(b) 150
(c) 180
(d) 100
4. The cost of 30 mangoes is less than cost of 40 mangoes by 2 50. Find the cost of 50 mangoes
(b) 300
(c) 250
(d) 350
5. 45 cows can graze a field in 12 days. How many cows will graze the same field in 9 days?
(b) 38 days (c) 54 days
in (3)
(a) 400
(a) 60 days
3
4
(d) 45 days
4
6. If
of a water tank is filled in 1 hour, how much time will be required to fill the rest of it?
5
(a) 20 minutes (b) 15 minutes (C) 12 minutes (d) 10 minutes
2
7. A worker makes a toy every hour. If he works for 7
3
hours, then how many toys will he
make?
(d) 22
(a) 11
(b) 16
(c) 18
8. 6 dozen eggs are bought for 108. How much will 108 eggs cost?
(a) 171
(b) 162
(c) 153
(d) 180​

Answer 1

SPEED =72 km/hr

so, to convert into m/sec...

=72×5/18

=20m/sec

TIME =1 Min =60 sec

Distance =speed *time.

=20×60

=1200m.

Step-by-step explanation: