Find the possible factors of 45, 30, 36.

5

(a)

Write a digit in the blank space of the following number, so that the number formed is divisible by 11. 8___9484

5

(a)

A merchant has 120 L of oil of one kind, 180 L of another kind and 240 L of a third kind. He wants to sell the oil by filling the three kinds of oil in tins of equal capacity. What should be the greatest capacity of such tin?

5

(a)

Three boys step off together from the same place. If their steps measure 36 cm, 48 cm and 54 cm, at what distance from the starting point will they again step together?

5

(a)

On a morning walk, three persons step off together and their steps measure 40 cm, 42 cm and 46 cm, respectively.
(a) What is the minimum distance each should walk so that each can cover the same distance in complete steps?
(b) What are the benifits of morning walk?

5

(a)

Find a 4-digit odd number using each of digits 1, 2, 4 and 5 only once such that when the first and last digits are interchanged, it is divisible by 4.

5

(a)

Find the greatest possible length, which can be used to measure exactly the length 7m, 3m 85 cm and 12 m 95 cm.

5

(a)

Find the least number, which when divided by 24, 32 and 36 leaves the remainder 19, 27 and 31 respectively.

5

(a)

Find the side of the largest possible square slabs which can be paired on the floor of a room 2m 50cm long and 1m 50cm broad. Also, find the number of such slabs to pair the floor.

5

(a)

Try arranging 18 marbles in rows and find the factors of 18

5

(a)