61.
In a post-office, stamps of three different denominations of Rs 7, Rs 8, Rs 10 are available. The exact amount for which one cannot buy stamps is
A
20
B
29
C
19
D
23
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89 practice sets · Page 4 of 5
In a post-office, stamps of three different denominations of Rs 7, Rs 8, Rs 10 are available. The exact amount for which one cannot buy stamps is
20
29
19
23
A man started walking from his house towards south. After walking 6 km, he turned to his left and walked 5 km after. Then he walked further 3 km after turning left. He then turned to his left and continued his walk for 9 km. How far is he away from his house?
3 km
4 km
5 km
6 km
lf the series 4,5,8,13,14,17,22,........ is continued in the same pattern, which one of the following is not a term of this series?
31
32
35
33
The next term in the series: 2, 7, 28, 63, 126, — is
245
215
276
296
The mean of the ages of father and his son is 27 years. After 18 years, father will be twice as old as his son. Their present ages are
36, 18
40, 14
30, 24
42, 12
Two numbers are in the ratio 3:5. If 9 is subtracted from the numbers, the ratio becomes 12:23. The numbers are
33, 55
42, 70
30, 50
36, 60
One day Prakash left home and walked 10 km towards south, turned right and walked 5 km, turned right and walked 10 km and turned left and walked 10 km. How many km will he have to walk to reach his home straight?
30
10
15
20
The next term in the series is:
2, 5, 9, 19, 37, ?
80
78
75
73
At present a person is 4 times older than his son and is 3 years older than his wife. After 3 years the age of the son will be 15 years. The age of the person's wife after 5 years will be:
50
45
42
48
Anil after travelling 6 km towards East from his house realized that he has travelled in a wrong direction, lie turned and travelled 12 km towards West, turned right and travelled 8 km to reach his office. The straight distance of the office from his house is:
14 km
10 km
20 km
12 km
A group of 210 students appeared in some test. The mean of 1/3rd of students is found to be 60. The mean of the remaining students is found to be 78. The mean of the whole group will be:
80
72
74
76
The next term in the series
2, 5, 10, 17, 26, 37, is:
57
62
50
72
Two railway tickets from city A and B and three tickets from city A to C cost Rs.177. Three tickets from city A to B and two tickets from city A to C city Rs.173. The fare for city B from city A will be Rs.
30
33
27
25
In the series
3, 11, 23, 39, 59, ..........
The next term will be
93
63
73
83
A person walks 10 m infront and 10 m to the right. Then every time turning to his left, he walks 5, 15 and 15 m respectively. How far is he now from his starting point?
15 m
20 m
10 m
5 m
Anil played 8 cricket matches. The mean (average) of the runs was found to be 80. After playing four more matches, the mean of the runs of all the matches was found to be 70. The total runs made in the last four matches is
400
100
200
300
In the series
AYD, BVF, DRH, GMJ, the next term is
HLM
KGL
GLK
LHM
At present, a mother is 3 times older than her son. After 5 years, the sum of their ages will be 70 years. The age of the mother after 10 years will be
45
60
55
40
In the series
1, 5, 13, 25, 41, …….
the next term is
61
68
63
59
The missing term in the series 1,4,27,16, ?,36,343, ... is
30
125
49
81