Rationale: 6C1 + 6C2+ 6C3+6C4+6C5+6C6 = 63.
The answer: (E)
Question: Preethi has 6 flavors of ice cream in his parlor. How many options are there for Dorathy to pick a one-flavor, two-flavor, three-flavor, four-flavor, five flavor or six flavor order?
Options:
(A) 26
(B) 36
(C) 64
(D) 67
(E) 63

Rationale: Sum of 10 odd no. = 100
Average = 100/10 = 10
The answer: (B)
Question: The average of first 10 odd numbers is?
Options:
(A) 22
(B) 10
(C) 98
(D) 66
(E) 88

Rationale: ? = 285 + 1895 655 645 or, ? = 880
The answer: (C)
Question: What approximate value should come in place of question mark (?) in the following equation
287.532 + 1894.029 657.48 = 643.095 + ?
Options:
(A) 870
(B) 790
(C) 880
(D) 770
(E) 890