self Maths Puzzle

What will be the blank no.?
10,10,13,21,36,_,95

1)45
2)50
3)58
4)60
5)69
6)71
7)75
8)79
9)83
10)None of these

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self Other Question

There are 128 cubes with me which are coloured according to two schemes viz.

64 cubes each having two red adjacent faces and one yellow and other blue on their opposite faces while green on the rest.
64 cubes each having two adjacent blue faces and one red and other green on their opposite faces, while red on the rest. They are then mixed up.
1.
How many cubes have at least two coloured red faces each ?
2.
What is the total number of red faces ?
3.
How many cubes have two adjacent blue faces each ?
.
How many cubes have only one red face each ? find the last digit of 7^2003.
a.)1 b).3 c.)7 d.)9