question: Find the arithmetic mean A of all roots of the following equation- see an attachment.
Options:
(A) 2
(B) 1
(C) 0.5
(D) -1/3
(E) 0.3
answer: Stream of consciousness: Arithmetic mean A your answer C and E are same, can you correct one of them please. thanks. The answer is (C).

q: Find the wrong number below mentioned series
7,30,80,250,550
Options:
(A) 7
(B) 30
(C) 80
(D) 250
(E) 550
a: Stream of consciousness: 7 is the only prime number or odd number in the series. The answer is (A).

question: A bus travels k miles in n hours. How many miles will it travel in x hours at the same rate?
Options:
(A) knx
(B) kn
(C) x
(D) kxn
(E) knx
answer: Stream of consciousness: Given Speed = k/n
To Find distance in x hours with same speed
Distance = speed * time
Distance = k/n*x = kx/n The answer is (D).

q: If 10 crates have 94 apples each and how many apples more is required in order to make 100 apples in each crate?
Options:
(A) 5
(B) 10
(C) 15
(D) 20
(E) 60
a: Stream of consciousness: Each crate requires 6 apples and totally there are 10 crates so required apples = 10 * 6 = 60 The answer is (E).

question: Rs.800 amounts to Rs.920 in 3 years at simple interest. If the interest is increased by 3%, it would amount to how much?
Options:
(A) 288
(B) 277
(C) 209
(D) 992
(E) 612
answer: Stream of consciousness: (800*3*3)/100 = 72
920 + 72 = 992 The answer is (D).

question: The no. of girls in a class are seven times the no. of boys, which value cannever be the of total students?
Options:
(A) 23
(B) 25
(C) 30
(D) 36
(E) 39
answer:
Stream of consciousness: Let the boys are X, then girls are 7X, total = X+7X = 8X
So it should be multiple of 8, 30 is not a multiple of 8. The answer is (C).