MCQs: In how many ways 4 boys and 3 girls can be seated in a row so that they are alternate.

Answer & Explanation

MCQs 1: The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?

MCQs 2: In a boat there are 8 men whose average weight is increased by 1 kg when 1 man of 60 kg is replaced by a new man. What is weight of new comer?

MCQs 3: The average of 25 results is 18. The average of first 12 of those is 14 and the average of last 12 is 17. What is the 13th result?

MCQs 4: If number x is 10% less than another number y and y is 10% more than 125, then find out the value of x.

MCQs 5: In a party every person shakes hands with every other person. If there are 105 hands shakes, find the number of person in the party.

MCQs 6: If x% of y is 100 and y% of z is 200, then find the relation between x and z..

MCQs 7: If 15% of 40 is greater than 25% of a number by 2, the number is .

MCQs 8: A batsman scored 120 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets.

MCQs 9: Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate got

MCQs 10: The number of positive integers which can be formed by using any number of digits from 0,1,2,3,4,5 without repetition.