Question
In a classroom there are 15 boys and 12 girls. Average
age of each boy and each girl is 21 years and 17 years respectively. The sum of ages of all the boys, girls and a teacher whose age is ‘x’ years is 560 years. Find the value of ‘x’.Solution
Sum of ages of all boys = 15 x 21 = 315 Sum of ages of all girls = 12 x 17 = 204 So, 315 + 204 + x = 560 => x = 41
Statement:
Each tiger is a lion.
Only a few lion are dogs.
Some dogs are cats
Conclusion:
  1. All lions are tiger...
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No subject is predicate.
All predicate is vowel.
Only a few vowel is preposition.
Conclusions:
I. No vowe...
In the question below there are three statements followed by three conclusions I, II, and III. You have to take the three given statements to be true e...
In the question below there are three statements followed by two conclusions I and II. You have to take the three given statements to be true even if ...
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Only Book is Pen.
No Book is Pencil.
Some Pencil are Eraser.
Conclusion:
I. Some Eraser can be Pen.<...
Three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at varia...
Statements:All circles are rectangles.
No rectangle is a square.
Conclusions:I. No square is a rectangle.
II. Some rectangles are...
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Statement : No fruit is a vegetable.
Some vegetable are petals.
All petals are trees.
Some trees are leaves.
Conclusion :...
