जॉइन Examsbookउत्तर : 2. "814"
What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ?5
प्र: What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ?
- 1844false
- 2814true
- 3840false
- 4820false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
उत्तर : 2. "814"
व्याख्या :
Answer: B) 814 Explanation: Length of largest tile = H.C.F. of 1517 cm and 902 cm = 41 cm.Area of each tile = (41 x 41) sq.cm Required number of tiles =1517 x 902/(41 x 41) = 814.