RRB NTPC 18 January 2017 Paper

Question : 90 of 120

Marks: +1, -0

111 Russian, 407 Chinese and 259 Japanese tourists have assembled at a place. Identical batches containing the same number of persons from each nationality has to be formed without leaving out anybody. Find the total number of persons in each batch.

Validate

Solution:

(2) For arranging 111 Russian, 407Chinese and 259 Japanese, weneed to get HCF first.

111 = 3 × 37
407 = 37 × 11
37 = 37 × 1
HCF = 37
Number of persons in the batch =

111/ 37+407/37+255/37

= 3 + 11 + 7 = 21

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