What is the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad
1). 840
2). 841
3). 820
4). 814
1. The smallest square number divisible by 10, 16 and 24 is
3. The least multiple of 13. which on dividing by 4. 5. 6. 7 and 8 leaves remainder 2 in each ray &
5. If x:y be the ratio of two whole numbers and z be their HCF, then the LCM of those two numbers is
7. The least number to be subtracted from 36798 to get a number which is exactly divisible by 78 is
8. The H.C.F. and L.C.M. of two 2- digit numbers are 16 and 480 respectively. The numbers are :
9. The smallest perfect square divisible by each of 6, 12 and 18 is