CAT2021 || Daily Target Quiz || QA || SIMPLE AVERAGE || 29.03.2021

Chetan has 25 paise , 50 paise and 1rupee coins only in ratio of 1:3:5.If he has Rs 108 with him . Find the number of 50 paise coins.

The average of five numbers is 24. If the average of last two numbers is 22 and that of first two numbers is 26, what is the value of third number from starting?

The average age of mother, father and son was 38 years at the time of marriage of the son. After 2 years an infant was born in family and after 8 years of marriage of son, the average age of family is 35 years. Find the age of the bride at the time of the marriage.

The average age of a group of persons going for a picnic is 20 years. 30 new persons with an average age of 10 years join the group on the spot, due to which their average age become 12.5 years. The number of persons initially going for a picnic is?

Average weight of group of four persons P, Q, R and S is 64 kg. If R is excluded from the group and another person T is included in the group, then average weight is increased by 3 kg. If the average weight of R and T is 60 kg and weight of S is 46 kg then find the average of weight of P and Q.

The average weight of a group of (x-4) students is (x+5) kg. If a teacher of weight 54 kg joins the class, then average weight of the group is increased by 1 kg. Find the strength of the group excluding the teacher.

Average marks of the boys of a class is equal to the average marks of girls of the class. Average marks of all student of the class is _______ and difference of sum of the marks of all girls and all boys is _______. If the total number of students in the class is 300 and the ratio of the number of boys and girls in the class is 2 : 3, then which of the following cannot fill the missing numbers.
I. 60 and 3600
II. 40 and 2400
III. 70 and 1400
IV. 55 and 2200

The average age of 6 members of a family is 25 years.If the servant in the family is included ,the average age increases by 20%.What is the average age of the servant?

The average weight of A, B and C is 74 kg. If D joins the group, the average weight of the group becomes 70 kg. If another man E whose weight is 4 kg more than D replaces C, then the sum the weight of A, B, D and E becomes 240 kg. Find the weight of C .