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Total number of eggs in the basket = n(S) = 1000 Let E be the event of selecting a rotten egg from the basket. Number of outcomes favourable to E = n(E) P(E) = n(E)/n(S) 0.16 = n(E)/1000 ⇒ n(E) = 1000 × 0.16 ⇒ n(E) = 160 Therefore, the number of rotten eggs in the basket = 160
The average age of three children is 32 years. If their ages are in the ratio 3:6:7. Find the age of the youngest child.
If a:b:c = 3:4:6, and (5a + 3c) = 132, then find the value of '3b'.
Average of four numbers is 16. Sum of smallest and largest number is 45. If difference between other two numbers is 1, then find the square of second sm...
The average weight of a group of five persons, A, B, C, D, and E is 62 kg. If another person K joins the group then the average weight of the group is d...
The average age of a group of 20 students is 40 years. Two persons of age 35 years and 30 years, left the group and 2 persons of age 40 years and 85 yea...
The average of the first 10 numbers is 'x+20', the average of the next 14 numbers is 'x', and the average of the remaining 16 numbers is 'x−30'. If th...
The average age of a group of 10 friends is 27 years. If one friend leaves the group, the average becomes 25years. Find the age of the friend who left t...
The average height of each person in group 'C' having 25 people is 10 cm less than the average height of each person in group 'D' having 20 people. If t...
The average score obtained by 25 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
The average cost price of 18 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.74. ...
