Find missing: 5, 10, 15, ?, 25
a) Option A
b) Option B
c) Option C
d) Option D

20 - Pattern increases by 5

Complete: 1, 4, 9, ?, 25
a) Option A
b) Option B
c) Option C
d) Option D

16 - Perfect squares: 1²,2²,3²,4²,5²

Find ?: 2, 6, 12, 20, ?
a) Option A
b) Option B
c) Option C
d) Option D

30 - Pattern: n×(n+1): 1×2,2×3,3×4,4×5,5×6

Missing: 100, 90, ?, 70, 60
a) Option A
b) Option B
c) Option C
d) Option D

80 - Decreasing by 10

Find ?: 3, 9, 27, ?, 243
a) Option A
b) Option B
c) Option C
d) Option D

81 - Powers of 3: 3¹,3²,3³,3⁴,3⁵