Q.4987·Miscellaneous·2020·EasyA dealer has a stock of 15 gold coins out of which 6 are counterfeits. A person randomly picks 4 of the 15 gold coins. What is the probability that all the coins picked will be counterfeits ?View question
Q.4988·Miscellaneous·2020·EasyA husband and wife appear in an interview for two vacancies for the same post. The probability of the husband’s selection is 1/7 and that of the wife’s selection is 1/5. If the events are independent, then the probability of which one of the following is 11/35 ?View question
Q.4989·Miscellaneous·2020·EasyThe arithmetic mean of 100 observations is 40. Later, it was found that an observation ‘53’ was wrongly read as ‘83’. What is the correct arithmetic mean ?View question
Q.4990·Miscellaneous·2020·EasyWhat is the probability that February of a leap year selected at random, will have five Sundays ?View question
Q.4991·Miscellaneous·2020·EasyAtomic mass of an element is equal to the sum of number ofView question
Q.4993·Miscellaneous·2020·EasyWhich one of the following is the most fundamental characteristic of an element?View question
Q.4995·Miscellaneous·2020·EasyWhich one of the following statements regarding magnetic field is NOT correct?View question
Q.4996·Miscellaneous·2020·EasyName the scientist who first used a glass prism to obtain the spectrum of sunlightView question
Q.4998·Miscellaneous·2020·EasyA lemon kept in water in a glass tumbler appears to be larger than its actual size. It is because ofView question
Q.4999·Miscellaneous·2020·EasyThe correct relation between the radius of curvature R and focal length f of a spherical mirror isView question
Q.5000·Miscellaneous·2020·EasyIn which of the following years were passenger trains introduced in England?View question
Q.5001·Miscellaneous·2020·EasyWhich one among the following American newsmagazines was highly sceptical of Gandhiji's Dandi march initially but within a week completely changed its opinion and saluted him as a Saint and Statesman?View question
Q.5002·Miscellaneous·2020·EasyWho was the Viceroy of India at the time of Gandhiji's Dandi march?View question
Q.5003·Miscellaneous·2020·EasyWhere did Gandhiji initially forge the techniques of Satyagraha ?View question
Q.5004·Miscellaneous·2020·EasyThe numbers 4 and 9 have frequencies x and (x - 1) respectively. If their arithmetic mean is 6, then what is the value of x?View question