Question: What is theleast number should be added to 1056, so the sum of the number is completely divisible by 23?
Options:
(A) 1
(B) 2
(C) 4
(D) 6
(E) 7
Answer: (1056 / 23) gives remainder 21
21 + 2 = 23, So we need to add 2
The answer is (B).

Question: In the "Big-Reds" parking lot there are 56 vehicles, 18 of them are buses and the rest are private cars. The color of 32 vehicles is red, from which 17 are buses. How many private cars can be found in the parking lot, which are not colored red?
Options:
(A) 1.
(B) 15
(C) 17
(D) 20
(E) 23
Answer: Total Vehicles = 56
Buses = 18
Private Cars = 38
Total red vehicles = 32
Total red buses = 17
Total Red cars = 15
Total cars that are not red = 38 - 15 = 23
The answer is (E).

Question: If a train, travelling at a speed of 90 kmph, crosses a pole in 5 sec, then the length of train is?
Options:
(A) 125 m
(B) 104 m
(C) 140 m
(D) 152 m
(E) 150 m
Answer: D = 90 * 5/18 * 5 = 125 m
The answer is (A).

Question: How many positive integers less than 70 have a reminder 01 when divided by 3?
Options:
(A) 13
(B) 24
(C) 35
(D) 16
(E) 17
Answer:
1 also gives the remainder of 1 when divided by 3. So, there are total of 24 numbers.
The answer is (B).