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the odds in favour of standing first of three students aman,rahul and vijay appearing at an examination are 1:2 , 2:5 and 1:7 respectively. what is the probability that either of them will stand first.

how many questions from each section in rrb alp and group d exams

News in used in plural only, what does it mean?

should I make a notes of this sir bcz now exam is newr

RRB SEC PAPERS ALSO NOT THERE

how to solve parajumble questions?

When a discount of 20% is given on a movie ticket, the profit is 34%. If the discount is 15%, then the profit is.

A rectangle is drawn such that none of its sides has length greater than 'a'.All lengths less than 'a' are equally likely.the chance that tha rectangle has its diagonal greater than 'a' is( in terms of %)

hindi language Ni h kya

DB : IC :: YE : ? 

ANSWER WOULD BE JF

HOW?