Home › TS EAPCET (Engineering) › Mathematics › Binomial Coefficients › Row 8 of Pascal's triangle has how many odd entr…
Row 8 of Pascal's triangle has how many odd entries?
A2
B8
C4
D1
Answer & Solution
Correct answer: A. 2
8 is 1000 in binary with a single 1, giving 2 odd entries, the two 1s at the ends, since 8, 28, 56 and 70 are even.
Related questions
A pizza shop offers 9 toppings. How many ways can a customer pick 3 different toppings?How many 4-element subsets does the set {1, 2, ..., 8} have?In the multiplicative formula, what does the denominator k factorial correct for?How many 5-bit words made of 0s and 1s contain exactly two 1s?In (1 + x) to the power n, the coefficient of which term is n choose k?If k is greater than n, how is the binomial coefficient commonly defined?In row 6, what is the sum of the three middle entries?The sum of squares of row n equals the middle entry of which row?