158.54 cm
158.74 cm
159.56 cm
158.86 cm
The average height of 40 students is 163 cm. On a particular day, three students namely A, B, C were absent and the average of the remaining 37 students was found to be 162 cm. If A and B have equal height and the height of C be 2 cm less than that of A, find the height of A.
The average income of A, B and C is Rs. 12,000 per month and average income of B, C and D is Rs. 15,000 per month. If the average salary of D be twice that of A, then the average salary of B and C is in Rs. :
The average marks obtained by 22 candidates in an examination are 45. The average marks of the first 10 candidates are 55 and those of the last eleven are 40. The number of marks obtained by the eleventh candidate is
The average marks obtained by 22 candidates in an examination are 45. The average marks of the first ten are 55 and that of the last eleven are 40. The number of marks obtained by the 11th candidates is-
The average marks obtained by 40 students of a class is 86. If the 5 highest marks are removed, the average reduces by one mark. The average marks of the top 5 students is
The average marks of 56 students is shown as 60. It includes a wrong entry of 92 marks instead of 29 marks. The correct average is …
The average marks of a class increased by 0.5 when a student mistakenly wrote 54 instead of 24. Find the number of students in the class.
The average marks of a student in 7 subjects is 85. His average marks in 6 subjects except English is 83. What is his marks in English ?
The average marks of four subjects is 120. If 33 was misread as 13 during the calculation, what will be the correct average?
The average marks of Rahul, Manish and Suresh is 63. Rahul’s marks is 15 less than that of Ajay and 10 more than that of Manish. If Ajay has got 30 marks more than that of the average of Rahul, Manish and Suresh then what is the sum of the marks of Manish and Suresh?