Mixture and alligation is one of the most important and frequently tested topics in quantitative aptitude. It is asked in almost every competitive exam including CAT, SSC CGL, SSC CHSL, Bank PO, Bank Clerk, Railway RRB and CSAT. The mixture and alligation concept...
(Q). In how many ways 30 identical chocolates be distributed among 5 students such that each student receive at least 1 chocolate ? Sol:- identical chocolate ━ distinct...
1. In how many ways 30 identical chocolates be distributed among 5 students ? 2. In how many ways 30 students can be send to 5 class rooms ? 3. In how many ways 20 different article can be distributed equally among 4 persons ? 4. In how many ways 30 identical...
(Q). In how many ways 15 students can be arranged in a row such that A is always ahead of B ? Sol:- Without any condition 15 students can be arranged in 15! ways. In these arrangements in 50% cases A will be ahead of B and in remaining 50% cases B will be ahead of A....
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