self Maths Puzzle

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:

A. 15 cm B. 25 cm
C. 35 cm D. 42 cm

Read Solution (Total 1)

C. 35cm

7m=700cm ; 3m85cm=385cm ; 12m95cm=1295cm.

Therefore,
Required length = H.C.F. of 700 cm, 385 cm and 1295 cm = 35 cm.
12 years agoHelpfull: Yes(3) No(2)

self Other Question

A milk vendor has 2 cans of milk. The first contains 25% water and the rest milk. The second contains 50% water. How much milk should he mix from each of the containers so as to get 12 litres of milk such that the ratio of water to milk is 3 : 5?

A. 4 litres, 8 litres B. 6 litres, 6 litres
C. 5 litres, 7 litres D. 7 litres, 5 litres
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is:

A. 504 B. 536
C. 544 D. 548