Question: The sum of 20 arithmetic means between 7 and 43 is:
(1) 360
(2) 400
(3) 500
(4) 440
Ans. (3)
Question: 60% of 20% of 3/5 th of ? = 450
(1) 6200
(2) 6240
(3) 6150
(4) None of these
Ans. (4)
Question: The ratio oftwonumbers is 4 : 7. Ifeachofthese numbers increases by 30, their ratio will become 5 : 8 . What is the average of these two numbers?
(1) 135
(2) 145
(3) 155
(4) 165
Ans. (4)
Related: arithmetic progression questions and answers
Question: In 1980, people in rural India had 30% less earning and spent 40% on food and out of this, expenditure on milk products was only 10%. Its value is:
(1) Rs 84
(2) Rs 92
(3) Rs 60
(4) Rs 42
Ans. (1)
Question: If the arithmetic, geometric and harmonic means between two positive real numbers be A, G and H, then
(1) A2 = GH
(2) H2 = AG
(3) G = AH
(4) G2 = AH
Ans: (4)
Question: Sam said to Rita “Your mother’s husband’s sister is my aunt”. How is Rita related to Sam?
(1) Daughter
(2) Niece
(3) Sister
(4) Mother
Ans. (3)
Question: TWhat is the average of the following set of numbers?
173, 192, 198, 204, 211, 223, 227
(1) 201
(2) 202
(3) 203
(4) 204
Ans. (4)
Question: There are two box, one containing two white balls and four black balls, the other containing three white balls and nine black balls. One ball each is drawn out of the two box. What is the probability of getting two balls of the same colour?
(1) 7/12
(2) 1/24
(3) 1/12
(4) 1/2
Ans. (1)
Question: Let N be the least positive integer such that when its leftmost digit is deleted, the resulting integer is 1/29 of N. Then which among the following about N is not true?
(a) N is divisible by 5
(b) N is divisible by exactly 2 prime numbers
(c) The positive difference between N and sum of its divisors is 205
(d) none of the foregoing
Ans. (4)
Related: series completion questions
Question: If March 1 of a leap year fell three days after Friday, what day of the week will dawn on November 22?
(1) Saturday
(2) Sunday
(3) Thursday
(4) None of these
Ans. (4)
Question: The perimeter of a rectangle is 60 metres. If its length is twice its breadth, then its area is:
(1) 200 m2
(2) 180 m2
(3) 160 m2
(4) 220 m2
Ans. (1)
Question: The radius of the pool in a South Delhi Club is twice the radius of the pool in a North Delhi Club. The area of the pool in South Delhi Club is how many times the area of pool in the North Delhi Club?
(1) 1/4
(2) 1/2
(3) 2
(4) 4
Ans. (4)
Question: Number of different signals can be given using any number of flags from 5 flags of different colour is?
(1) 325
(2) 240
(3) 120
(4) None of these
Ans. (1)
Question: If a, b, c, d, e, f are in A.P., then e – c is equal to
(1) 2(c – a)
(2) 2(d – c)
(3) 2(f – d)
(4) d – c
Ans. (2)
Question: If nine dinner plates cost Rs. 1,174/-, what is the approximate cost of a single plate?
(1) Rs. 125/-
(2) Rs. 135/-
(3) Rs. 120/-
(4) None of these
Ans. (4)
Related: Time and work aptitude questions and answers
Question: Four years ago, the average age of A and B was 18 years. At present the average age of A, Ba nd C is 24 years. What would be the age of C after 8 years?
(1) 30 years
(2) 32 years
(3) 28 years
(4) 25 years
Ans. (1)
Question: Pedal : Cycling : Oar : ?
(1) Gliding
(2) Surfing
(3) Skating
(4) Rowing
Ans. (4)
Question: The roots of the quadratic equation ax2 + bx + c = 0 will be reciprocal to each other if
(1) a = 1/c
(2) a = c
(3) b = ac
(4) a = b
Ans. (2)
Question: A large cube is formed by stacking 27 unit cubes. A plane is perpendicular to one of the internal diagonals of the large cube and bisects that diagonal. The number of unit cubes that the plane intersects is
(1) 21
(2) 19
(3) 18
(4) 16
Ans. (2)
Question: 404 + 70948 + 3154 + 70 = ?
(1) 74476
(2) 73576
(3) 74566
(4) 74575
Ans. (3)
Question: A pipe of 2 inch diameter fills the water tank in one hour. If the diameter of the pipe is 4 inch in what time will the pipe fill the same tank?
(1) 10 minutes
(2) 15 minutes
(3) 30 minutes
(4) 45 minutes
Ans. (2)
Question: In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is
(1) 625
(2) 700
(3) 725
(4) 775
Ans. (4)
Question: (1236 ÷ 8) × 7 – ? = 1010
(1) 2779
(2) 2969
(3) 869
(4) 859
Ans. (4)
Question: If a, b, c are in G.P., then
(1) a2, b2, c2 are in G.P.
(2) a2 (b + c), c2 (a + b), b2 (a + c) are in G.P
(3) a/b + c, b/c + a, c/a + b are in GP
(4) None of the above
Ans: (1)
Related: set theory questions and solutions
Question: The wages of 10 workers for a six-day week is Rs. 1200. What are the one day’s wages of 4 workers?
(1) Rs. 40
(2) Rs. 32
(3) Rs. 80
(4) Rs. 24
Ans. (3)
Question: What percentage of 525 should be added to it to make it 735?
(1) 25%
(2) 30%
(3) 36%
(4) 40%
Ans. (4)
Question: 10 years ago father was seven times as old as his son. 2 years hence twice his age will be equal to five times his son. What is the present age of son?
(1) 15 years
(2) 14 years
(3) 13 years
(4) 12 years
Ans. (2)
Question: 144 ÷ 12 × 3 – 2 = ?
(1) 34
(2) 12
(3) 4 4/17
(4) 11
Ans. (2)
Question: The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of ‘B’ and ‘E’?
(1) 2856
(2) 3016
(3) 3224
(4) 2548
Ans. (2)