Question
Find the missing number in the given number series.
/> 1, 2, 3, 6, 11, 20, ?Solution
ATQ,
Each term = sum of previous two + 1
1 + 2 + 0 = 3
2 + 3 + 1 = 6
3 + 6 + 2 = 11
6 + 11 + 3 = 20
11 + 20 + 4 = 35
(Increment in added value is 0, 1, 2, 3...)
Evaluate:
β729 + β49 - β16 + 1/β64
Simplify:

(1/5)(40% of 800 β 120) = ? Γ 5
2/5 of 3/4 of 7/9 of 7200 = ?
`sqrt(5476)` + 40% of 1640 = ? `xx` 4 - 2020
? = (22% of 25% of 60% of 3000) + 21
Determine the simplified value of the given mathematical expression.
(342 β 20% of 5280) = ? Γ· 3
β157464 =?