IBPS Government Jobs Exams Numerical Ability Number System

Among four consecutive odd numbers the sum of the squares of the first two numbers is 64 less than the sum of the squares of the next two numbers. Find the greatest of these four numbers. (A) 9 (B) 15 (C) 11 (D) 7 (E) 13

Read Solution (Total 1)

let no no is 2a+1, 2a+3, 2a+5,2a+7 and then
a.t.q. you will get the ans 7
5 years agoHelpfull: Yes(0) No(0)

IBPS Other Question

There are three sections A, B and C in a class. Every section has some boy and some girl students in it. Probability of a girl being selected when one student is selected randomly from section A is 2/5, that from section B is 4/9 and that from section C is 5/9. If the ratio of total number of students in sections A, B and C is 10 : 12 : 9, then what is the probability of a girl being selected when one student is selected randomly from the students from all the three sections together? (A) 14/31 (B) 11/23 (C) 13/31 (D) 43/93 A alone can do a work in 20 days. B is 25% more efficient than A. A and B started working and worked for 4 days, then C alone completed the remaining job in 22 days. In how many days C alone can complete the entire job? A) 45 B) 35 C) 40 D) 30 E) 48