- QUESTION
In a row of girl students facing north, Radhika is 10th to the left of Purnima who is 21th from the right end. If Monika who is 17th from the left end is 4th to the right of Radhika, how many students are there in the row?
A)37
B)44
C)43
D)Data is insufficient
Explanation
(C)
= Pallavi is 21st from right and Reena is 10th to the left of Pallavi So Reena is 31th from right Malini is 17th from the left and 31 -4 x 27th from right so there are (17+27-1)=43 girls in a row.
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