**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) A^{2} = GH

(2) H^{2} = AG

(3) G = AH

(4) G^{2} = 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 m^{2}

(2) 180 m^{2}

(3) 160 m^{2}

(4) 220 m^{2
}**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 ax^{2} + 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) a^{2}, b^{2}, c^{2} are in G.P.

(2) a^{2} (b + c), c^{2} (a + b), b^{2} (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)