Question
Average age of a class of 41 students is 17 years.
Average age of the class is increased by 18 months if the age of the teacher is included. Find the age of the teacher.Solution
Sum of the ages of all the students in the class = 41 × 17 = 697 years Sum of the ages of the students along with teacher = 42 × 18.5 = 777 years So the age of the teacher = 777 – 697 = 80 years
What is the difference between the third element from the right in step IV and the fourth element from the left in step III?
Which of the following would be the last step of the rearrangement?
Given the following
Input: “the team was able to achieve this by”
What step will be the following arrangement?
Arrangem...
If following is the third step for an input, what will be the fifth step?
Step III: 20, 27, 85, 165, 133, 47, 185, 220
How many elements are there between ‘03’ and ‘45’ in step-II?
Which step number is the following step?
Envelop 2 identical 13 unique 29 6 boss couple 12 happy 28
Input for Qs. 6 - 10: 28 33 92 35 73 46 84 11
In step III, whi...
If step IV of an input is ‘the knee joint of animal to see remains’, what is the step III of that input?
What is the position of ‘ person’ in step IV?
If the 13th step of an input is ‘he beats the old record of nine hours’, which of the following would be its step VII?
...
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