Question
The average age of a group of students in a school is 14
years. If 20% of them have an average age of 12 years and 40% have an average age of 16 years, then the rest students have an average age ofSolution
Let the total number of students be 100 So sum of the age of total students = 100 x 14 = 1400 20% of the students have average of 12 = 20% of 100 x 12 = 240 40% of the students have average of 16 = 40% of 100 x 16 = 640 Average of rest of the students = 100% - 60% = 40% Required average = (1400 – 240 – 640)/40 = 13 years Alternate method: 
If a mirror is placed on the line MN then which of the answer figure is the right image of the given figure?
A, B, C, D and E are friends. C runs faster than B but slower than D. A is the slowest runner and E runs faster than D. Who runs the fastest among the f...
Select the set of numbers that is similar to the following set of numbers.
{19, 27, 35}
Three of the following four number-pairs are alike in a certain way and one is different. Pick the odd number-pair out.
Which one of the following will come in third place when arranged in Alphabetical order?
Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure?
Select the correct option that indicates the arrangement of the given words in the order in which they appear in an English dictionary
1. Petitio...
After arranging the given words according to dictionary order, which word will come at ‘Fifth’ position?
1. Version
2. Versus
<...If E = 5 and PRIEST = 87, then EVALUATE=
From the given answer figures, select the one in which the question figure is hidden.
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