Question
What will be the probability of choosing one red and
one green ball from a basket containing 4 red and 5 green balls if two balls are drawn randomly?Solution
Required probability = (4C1 × 5C1)/9C2 = (4 × 5)/(9 × 4) => 5/9
A word arrangement machine, when given an input line of words, rearranges them in steps according to the following rules.
INPUT LINE: Trial Toda...
I is the son of B. G is the son of A. B is the wife of A. H is the wife of G. I is the husband of J. W is the daughter of J. U is the son of G. How is B...
Given below is a statement followed by some conclusions. You have to take the given statement to be true even if it seems to be at variance with the co...
Eight classmates P, Q, R, S, T, U, V and W are sitting around a circular table facing the centre, but not necessarily in the same order. W sits exactly ...
Select the Venn diagram that best represents the relationship between the following classes.
Blue, Water, Star
After the mid-term examination Rupesh ranked 10th from the top and Rachit ranked 21st from the bottom. If Rachit performed better than Rupesh and six st...
Which answer figure will replace the question mark given in the question figure? Â
Questions figure:
Select the Venn diagram that best illustrates the relationship between the following classes.
Electrical Appliance, Refrigerator, Freezer
...
'E × F' means 'E is the wife of F'
'E + F' means 'E is the brother of F'
'E ÷ F' means 'E is the sister of F'
'E- F' means 'E...
Select the correct mirror image of the given figure when the mirror is placed at MN.
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