Question
In which year did the government set up the Central
Pollution Control Board (CPCB)?Solution
The correct answer is C
- The average of three numbers is 60. When three more numbers are included, the average increases by 6. Find the average of the numbers included.
A number is such that when it is multiplied by 6, it gives another number which is as much above from 210 as the original number (itself) is below 210. ...
In an examination the average marks of Rohit is 65. If he got 15 more marks in science and 25 more marks in maths then his average would have been 70. F...
The average of a set of 's' numbers is 24. If 40 is added to the set, then the average of the set becomes 24.4. Find the value of '4 X (s - 14)'.
The average number of laddus distributed among five children is 14. If each child received 1 laddu more than the child before, then find the highest num...
In an examination, the average marks obtained by the students is 80. After correcting the quantitative mistakes, the average of 90 students is reduced t...
The average number of balloons distributed among five kids is 9. If each kid received 1 balloon more than the kid before, then find the highest number o...
The average age of 18 girls is 36 years. If the age of two more girls is added the average decreases by half a year. What is the sum of the age of new g...
Average weight of 36 students is 68 kg. When two new students with weights (m + 12) kg and (m - 6) kg join, the average weight becomes 69 kg. Find the v...
The average age of a group of 10 students is 12 years. Two persons of age 15 years and 20 years, left the group and 2 persons of age 54 years and 101 ye...
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