Question

1.
Choose the correct answer and write it :
In 420 minutes there are
(d) 4 hour
(a) 7 hours
(b) 8 hours
(c) 6 hours
2.
Fill in the blanks :
The L.C.M. of two coprimes is
Answer the following questions:
3.
(a) Arrangè in columns and add :
516
56852 + 20208 + 406 + 50
(b) The HCF of two numbers is 5, their LCM is 60 and one of the numbers is 15. Find the other
number.
4.
75 liters of kerosene oil and 25 liters of petrol have to be kept in tins of identical size such that two
kinds of oil do not get mixed. How many tins will be required at least? How much oil will each tin
hold?​

Answer 1

Answer:

1. 8 hours

2. products of the no.

3. (a)77516