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Average marks obtained by 19 boys of a college is 56. If the highest marks and lowest marks obtained are removed, then the average reduces by 2. What is the average of the highest and lowest marks obtained?
A
77 \
B
69 \
C
73 \
D
75
Correct Answer:
73 \
C) 73
P, Q and R secured 45%, 50% and 60% marks respectively in Biology. Ms marks in Biology is 12.5 more than Ps marks and 4 less than Rs marks. Find out the individual marks of four students. A. For the students, total marks obtained for Biology is 311.5.
B. Total of Ms and Ps marks in Biology is 147.5.
C. R has obtained 84 marks.
A
Only C
B
Only A & B
C
All are required
D
None of the statements is required
In a college, the ratio of boys to girls is 29 : 33 respectively. When 142 more boys join the college, this ratio becomes 21 :19. How many more girls should join the college to make the number of boys and girls equal?
A
75
B
90
C
60
D
66
In an examination average marks obtained by the girls of a class is 85 and the average marks obtained by the boys of the same class is 87. If the girls and boys are in the ratio 4 : 5, average marks of the whole class (approx.) is closest to :
A
86.5
B
85.9
C
86.4
D
86.1
Average of the marks of 132 students of a college is 40. If the average of the marks of the passed students is 42 and the average of the marks of the failed students is 20, then what will be the respective ratio of the total marks of passed students and the total marks of failed students?
A
21 : 1 \
B
23 : 2
C
19 : 11
D
9 : 2
In a class there are certain no. of boys and girls. If 15 girls are absent then no. of boys will be twice that of girls. If 45 boys are absent then girls strength will be 5 times that of boys. Find number of boys actually present ?
A
40
B
50
C
55
D
35
Find the appropriate relation for quantity1 and quantity2 in the following question: Quantity 1: In an examination, Ankita scored 35 marks less than Puneeta. Puneeta scored 65 more marks than Meenakshi. Rakhi scored 115 marks, which is 20 marks more than Meenakshi's. Simpy scored 108 marks less than the maximum marks of the test. What approximate percentage of marks did Simpy score in the examination, if she got 67 marks more than Ankita? Quantity 2: The length of a rectangle is increased by 60%. By what percent would the width have to be decreased to maintain the same area?
A
Quantity1 < Quantity2
B
Quantity1 \u2264 Quantity2
C
Quantity1 \u2265 Quantity2
D
Quantity1 > Quantity2
দুটি সংখ্যার অনুপাত ৫ঃ৬ অনুপাত ৫ঃ৬ এবং তাদের গ.সা.গু ৪ হলে, চোট সংখ্যাটি কত?
A
১০
B
১৫
C
২০
D
২৫
The average age of 5 boys of a class is 15. If 7 more boys are admitted to the class with average age 12, and 3 of the existent boys leave the class with the average age 13, what will be the new average age of the boys of the class?
A
6.1
B
6.2
C
6.3
D
6.4
The average age of 80 boys in a class is 15. The average age of group of 15 boys in the class is 16 and the average of another 25 boys in the class is 14. What is the average age of the remaining boys in the class ?
A
12.24 yrs
B
13.25 yrs
C
16 yrs
D
15.25 yrs
The average age of 80 boys in a class is 15 years. The average age of a group of 15 boys in the class is 16 years and the average age of another 25 boys in the class is 14 years. What is the average age of the remaining boys in the class?
A
15.25 years
B
14 years
C
14.75 years
D
Cannot be determined