Note:
The total number of students in a certain school is 1440. The following pie chart shows the student strengths in various classes in the school. Based on this, answer the questions.
The percentage of student strength of classes VI and VIl put together in the whole school is (approximately)
Note:
There are 176 households of 4 members each in a locality who use atleast one of Himalaya(H), Dabur(D) and Hindusthan uni lever (HUL) products, 415 persons use product H. The number of persons who use product D is 50 less than those who use product H and 25 more than those who use product HUL. 102 persons use only products of HUL, number of persons who use only products of H as well as D is 20 less than those who use only products of H and HUL and 5 less than the number of persons who use all the three products. Number of persons who only use products of D and HUL is 58; Based on this information, answer the questions
Note :
Based on the code given below and the rules (1) and (2) answer the questions
Rules
(1) If the first and the last entries of a word are vowels then the first is coded by X and the last by Y
(2) If the first and the last entries of a word are consonents their respective codes are interchanged.