Easy Tutorial
For Competitive Exams
Science QA Quantitative Abilities Problem Solving Page: 2
46977.A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 per cent larger than the original. By what percentage has the area of the logo increased?
50
80
100
125
250
46978.Of the following, which is greater than ½ ?
2/5
4/7
4/9
5/11
6/13
46979.After being dropped a certain ball always bounces back to 2/5 of the height of its previous bounce. After the first bounce it reaches a height of 125 inches. How high (in inches) will it reach after its fourth bounce?
20
15
8
5
3.2
46980.n and p are integers greater than 1
5n is the square of a number
75np is the cube of a number.
The smallest value for n + p is
14
18
20
30
50
46981.The distance from town A to town B is five miles. C is six miles from B. Which of the following could be the distance form A to C?
I. 11
II. 1
III. 7
I only
II only
I and II only
II and III only
I, II, or III.
46982.If pqr = 1 , rst = 0 , and spr = 0, which of the following must be zero?
P
Q
R
S
T
46983.-20 , -16 , -12 , -8 ....
In the sequence above, each term after the first is 4 greater than the preceding term. Which of the following could not be a term in the sequence?
0
200
440
668
762
46984.$\\dfrac{6^5 - 6^4}{5}$
1/5
6/5
6^4 / 5
6^4
46985.5A
BC
___
D43
In the above correctly worked addition sum, A,B,C and D represent different digits, and all the digits in the sum are different. What is the sum of A,B,C and D?
23
22
18
16
14
46986.If n is even, which of the following cannot be odd?
I. n + 3
II. 3n
III. n² - 1
I only
II only
III only
I and II only
I, II and III
46987.A perfect cube is an integer whose cube root is an integer. For example, 27, 64 and 125 are perfect cubes. If p and q are perfect cubes, which of the following will not necessarily be a perfect cube?
8p
pq
pq + 27
-p
(p - q)^6
46988.If a positive integer n, divided by 5 has a remainder 2, which of the following must be true?
I. n is odd
II. n + 1 cannot be a prime number
III. (n + 2) divided by 7 has remainder 2
none
I only
I and II only
II and III only
I, II and III
46989.If a² = 12, then a^4 =
144
72
36
24
16
46990.One side of a triangle has length 8 and a second side has length 5. Which of the following could be the area of the triangle?
I.24
II. 20
III.5
I only
II only
III only
II and III only
I, II and III
46991.♠n denotes the number obtained when n is rounded to the nearest tenth. For example ♠4.31 = 4.3
♠0.089 - ♠1.135 =
1.05
1.04
-1.05
-1.0
-0.1
46992.Jo s collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1, what is the ratio of US to British stamps?
5 : 1
10 : 5
15 : 2
20 : 2
25 : 2
46993.A machine puts c caps on bottles in m minutes. How many hours will it take to put caps on b bottles?
60bm/c
bm/60c
bc/60m
60b/cm
b/60cm
46994.Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 7, how many people got on at the first stop?
128
64
32
16
8
46995.
Amy has to visit towns B and C in any order. The roads connecting these towns with her home are shown on the diagram. How many different routes can she take starting from A and returning to A, going through both B and C (but not more than once through each) and not travelling any road twice on the same trip?
10
8
6
4
2
46996.n is an integer chosen at random from the set
{5, 7, 9, 11 }

p is chosen at random from the set
{2, 6, 10, 14, 18}
What is the probability that n + p = 23 ?
0.1
0.2
0.25
0.3
0.4
Share with Friends