Question
The probability of getting 9 cards of the same suit in
one hand at a game of bridge isSolution
The correct answer is A
The average of a series of 30 numbers is 70. The difference between the largest number and the smallest number is 140. If the largest and the smallest n...
Average age of company A is 21 years and average age of both companies A and B is 13 years. If the ratio of number of employees in company A and B is 3:...
In 40 matches, Mia had a bowling average of 18.6. She played 3 more matches, took 3 wickets after conceding 162 runs, and her average increased by 1.8. ...
The average weight of 5 students in a study group is 38 kg. If the weight of 2 mentors is also included, then the new average weight of each person (men...
The average of five even numbers is 64. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
In an exam, the average score of 300 students is 48. If the average score of the students who passed is 60, and the average score of those who failed is...
A man can row 32 km upstream and 60 km downstream in 8 hours. He can also row 40 km upstream and 48 km downstream in 6 hours. Find the speed of the man ...
The average of three numbers P, Q and R is 1600. R is 75% more than P. The ratio of P and Q is 4:5 respectively. If R is 25% less than S, then find out ...
There are three distinct numbers ‘p’, ‘q’ and ‘r’. If, p = 150, (p + q) = 450 and (r – q) = 60, then determine the average of p, q and r.�...
The average of two consecutive even numbers is 69. If the smaller number is increased by 10% and the larger number is decreased by 10%, then find the di...
