Expansion of (2a + 3b + 4c)2 is ____.
(A) 4a2 + 9b2 + 16c2 + 12ab + 24bc + 16ca
(B) a2 + b2 + 2ca
(C) a2 - b2- 2ca
(D) a2 -
b2 + 2ca
what is this
The given table shows the possible food choices for lunch. How many different types of lunch can be made each including 1 type of soup, 1 type of sandwich and 1 type of salad?
How many pairs of parallel lines are there in the figure?
There is one pair and two lines
If Sonia bought 6 shirts each for Rs 200, how much she has to pay including the offer ?
(A) Rs 1000
(B) Rs 500
(C) Rs 1500
(D) Rs 1200
Very good question