Reasoning: Increase = (30/40)*100 = (3/4)*100 = 75%.
Ans: (E)
Question: John makes $40 a week from his job. He earns a raise andnow makes $70 a week. What is the % increase?
Options:
(A) 16%
(B) 16.66%
(C) 76.69%
(D) 76.98%
(E) 75%
Rationale: Given Speed = k/n
To Find distance in x hours with same speed
Distance = speed * time
Distance = k/n*x = kx/n
The answer: (D)
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
Reasoning: 1/11 + 1/22 = 3/22
22/3 = 7 1/3 days
Ans: (B)
Question: Ravi can do a piece of work in 11 days while Prakash can do it in 22 days. In how many days will they finish it together?
Options:
(A) 5 7/3 days
(B) 7 1/3days
(C) 5 1/9 days
(D) 5 7/3 days
(E) 4 7/9 days
Rationale: Given Exp. = (a3 + b3) = (a + b) = (444 + 555) = 999(a2 - ab + b2)
The answer: (C)
Question: Solve:-
444 x 444 x 444 + 555 x 555 x 555 = ?(444 x 444 - 444 x 555 + 555 x 555)
Options:
(A) 888
(B) 333
(C) 999
(D) 988
(E) 889
Reasoning: 91 is divisible by 7. So, it is not a prime number.
Ans: (D)
Question: Which one of the following is not a prime number?
Options:
(A) 31
(B) 61
(C) 71
(D) 73
(E) 91
Reasoning: 225 + 43 = 268/17 = 13 (Remainder)
Ans: (E)
Question: A no.when divided by 225 gives a remainder 43, what remainder will beobtained by dividingthe same no.17?
Options:
(A) 2
(B) 7
(C) 9
(D) 11
(E) 13