MathematicsHard75×since 2002Q4888Let a biased coin be tossed 5 times. If the probability of getting 4 heads is equal to the probability of getting 5 heads, then the probability of getting atmost two heads is :A27565{{275} \over {{6^5}}}65275B3654{{36} \over {{5^4}}}5436C18155{{181} \over {{5^5}}}55181D4664{{46} \over {{6^4}}}6446Check answerSkip