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Class 11 · Mathematics
→In a set of (10) elements, (a) and (b) are special. How many subsets contain (a) but do not contain (b)?
Class 11 · Mathematics
→A set of (9) elements has (3) special elements. How many (5)-element subsets contain exactly (2) special elements?
Class 11 · Mathematics
→A set of (9) elements has (3) special elements. How many (5)-element subsets do not contain all three special elements together?
Class 11 · Mathematics
→From digits (1) to (9), (3) distinct digits are chosen only as a digit-set. How many sets are possible?
Class 11 · Mathematics
→How many subsets of odd cardinality does a set with (9) elements have?
Class 11 · Mathematics
→How many ways are there to choose at least one book from (6) distinct books?
Class 11 · Mathematics
→In how many ways can an even number of coins be selected from (16) different coins?
Class 11 · Mathematics
→How many (6)-element subsets of (A={1,2,3,4,5,6,7,8,9,10,11,12,13}) contain (1) but do not contain both (5) and (6) together?
Class 11 · Mathematics
→How many (7)-element subsets can be formed from (A={1,2,3,4,5,6,7,8,9,10,11,12,13,14}) that contain (1) and (2) but not (3) and (4)?
Class 11 · Mathematics
→In how many ways can an odd number of toys be selected from 13 different toys?
Class 11 · Mathematics
→In how many ways can an even number of coins be selected from (14) different coins?
Class 11 · Mathematics
→How many (6)-element subsets of (A={1,2,3,4,5,6,7,8,9,10,11,12}) contain (1) but do not contain both (5) and (6) together?
Class 11 · Mathematics
→How many (6)-element subsets can be formed from (A={1,2,3,4,5,6,7,8,9,10,11,12,13}) that contain (1) and (2) but not (3) and (4)?
Class 11 · Mathematics
→In how many ways can an even number of coins be selected from (12) different coins?
Class 11 · Mathematics
→How many (6)-element subsets of (A={1,2,3,4,5,6,7,8,9,10,11}) do not contain both (4) and (5) together?
Class 11 · Mathematics
→How many (5)-element subsets can be formed from (A={1,2,3,4,5,6,7,8,9,10,11,12}) that contain (1) and (2) but not (3)?
Class 11 · Mathematics
→In how many ways can an odd number of toys be selected from (9) different toys?
Class 11 · Mathematics
→How many (5)-element subsets of (A={1,2,3,4,5,6,7,8,9,10}) do not contain both (2) and (3) together?
Class 11 · Mathematics
→How many (5)-element subsets can be formed from (A={1,2,3,4,5,6,7,8,9,10}) that contain (1)?
Class 11 · Mathematics
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