Question

1.
2.
3.
4.
Answer (Detailed Solution Below)

Option 1 : $63$ / $63$

Advertisement

Detailed Solution

सही उत्तर $63$ / $63$ है।

Key Points
Helpful?
PrepSnapprepsnap.in • Part -A

Question:

What comes next in the series 1, 3, 7, 15, 31, ...? / श्रेणी 1, 3, 7, 15, 31, ... में अगला क्या आएगा?

1.
$63$ / $63$
2.
$61$ / $61$
3.
$62$ / $62$
4.
$47$ / $47$

Correct Answer: $63$ / $63$

Each term is double the previous plus one ($1 \times 2+1=3$, $3 \times 2+1=7$, ...); $31 \times 2 + 1 = 63$. / प्रत्येक पद पिछले का दोगुना जमा एक है; $31 \times 2 + 1 = 63$।

Downloaded from PrepSnap (prepsnap.in)