Question

Harish creates a model based on arithmetic progression which starts at 3 and with a spacing of 8 goes till 467 ( i.E. 3,11, _, _, _, 467). Ravi wants to create another model through a subset of this series such that the total of no two elements of his series is 479. The maximum possible number of elements which ravi's series has would be:
a. 24
b. 32
c. 30
d. 29

Answer 1

i think its answer is 24....