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Banking Sample Paper IBPS PO (PT) Sample Test Paper-1

  • question_answer
    The sum of 8 consecutive odd numbers is 688 and that of 4 consecutive even numbers is 276. What is the sum of the smallest odd number and the second largest even number?

    A)  146                            

    B)  158

    C)  172                            

    D)  156

    E)  149

    Correct Answer: E

    Solution :

     Let the consecutive odd numbers be x, x+2, x+4, x+6, x+8, x+10, x+12, x+14 and the consecutive even numbers be y, y+2, y+4, y+6. Hence x+x+2+x+4+x+6+x+8+x+10 +x+12+x+14=688 \[\Rightarrow 8x+56=688\] \[\therefore x=\frac{688-56}{8}=79\] Again, \[y+y+2+y+4+y+6=\text{ }276\] \[\Rightarrow 4y=276-12=264\] \[\therefore y=66\] \[\therefore \text{Reqd sum = 79 + 70 = 149}\]


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