Fill in the blanks.
(i) The HCF of two co-prime numbers is P.
(ii) Two natural numbers which have no common factor except 1 are called Q numbers.
(iii) If a number is divisible by 9 then sum of its digits must be divisible by R.
Find the area of rectangular floor of length 11 m and breadth 7 m. Also find the cost of polishing the floor at the rate of ₹ 6 per m2.
A77 cm2, ₹ 460
B66 cm2, ₹ 462
C66 cm2, ₹ 460
D77 cm2, ₹ 462
this isn't about the wrong answer but it should be m2 in the answer.