Total numbers of ways of giving at least one coin out of three 1 rupee and two 2 rupee coins to a beggar is (A) 32 (B) 12 (C) 11 (D) none of these

2nd idetical coins are arrangeed in a row and the number of ways in which the number of heads is equal to the nuber of tails is 70, then n= (A) 4 (B) 5 (C) 3 (D) none of these

In a room there are 12 bulbs of the same wattage, each having separate switch. The number of ways to light the room with different amounts of illumination is (a) 12^2-1 (b) 2^(12) (c) 2^(12)-1 (d) none of these

In a room there are 12 bulbs of the same wattage, each having separate switch. The number of ways to light the room with different amounts of illumination is (a) 12^2-1 (b) 2^(12) (c) 2^(12)-1 (d) none of these

n dice are thrown and the total number of possible outcomes in which at least one die shows 1 is 671, then n= (A) 3 (B) 4 (C) 5 (D) none of these

The total number of ways of selecting 4 letters from the word NARAYANA is: (A) 10 (B) 9 (C) 12 (D) none of these

The total number of ways of selecting six coins out of 20 one-rupee coins, 10 fifty-paisa coins, and 7 twenty-five paisa coins is: (a.) 28 (b.) 56 (c.) ^37 C_6 (d.) none of these

The total number of ways in which a beggar can be given at least one rupee from four 25-paisa coins, three 50-paisa coins and 2 one-rupee coins, is:

Two coins (a one rupee coin and a two rupee coin) are tossed once. Find a sample space.

In how many ways can a committee of 5 be made out of 6 men and 4 women containing at least one women? a. 246 b. 222 c. 186 d. none of these

Let a person have 3 coins of 25 paise, 4 coins of 50 paise and 2 coins of 1 rupee. Then inhow may ways can he give none or some coins to a beggar? Further find the number of ways so that (i) he gives at least one coin of one rupee. (ii) he gives at least one coin of each kind.