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Recent questions in Numerical Ability
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Numerical computation, Numerical estimation, Numerical reasoning and data interpretation
Recent
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0
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answers
1
Aptitude Doubt
If (4446)x + (2222)x = (10001)x then value of (2342)x  (1656)x = (?)x how to solve these kinds of questions?
asked
11 minutes
ago
in
Numerical Ability
by
aditi19
Junior
(
695
points)

5
views
numericalability
0
votes
0
answers
2
GATE 2017 CE_2
I got about point (ii) that it is false. Point (i) also looks false because between time 5560 mins, the elevator moves from 1 to 4th floor directly. So, (i) is wrong. Is my analysis of point (i) correct?
asked
6 days
ago
in
Numerical Ability
by
Ayush Upadhyaya
Boss
(
12.5k
points)

29
views
gate2017_ce_2
0
votes
1
answer
3
kenneth rosen
Each user on a computer system has a password, which is six to eight characters long, where each character is an uppercase letter or a digit. Each password must contain at least one digit.how many possible passwords are there? I understand sum rule will be applied adding ... how we will ensure password will contain one digit? in rosen solution P6 = 36^6  26^6 why they did like this?
asked
Sep 13
in
Numerical Ability
by
Nancy Pareta
(
275
points)

12
views
#discrete
#combinatorics
+4
votes
1
answer
4
Aptitude
One of the best questions of aptitude...Lets see who does it first..... 1 1 1 2 1 1 2 1 1 1 1 1 2 2 1 What will be the next term in the series?????
asked
Sep 8
in
Numerical Ability
by
himanshu19
Active
(
1.2k
points)

71
views
0
votes
1
answer
5
Tricky question
The function f(x) = x – 2 + 2.5 – x + 3.6 – x, where x is a real number, attains a minimum at? x = 2.3 x = 2.5 x = 2.7 none of the above.
asked
Sep 6
in
Numerical Ability
by
Lakshman Patel RJIT
Loyal
(
8k
points)

34
views
generalaptitude
0
votes
1
answer
6
countability
set of all binary sequences are uncountable it is true, then why set of all string over {0,1} is countable is'nt it also set of all binary sequence ??
asked
Aug 20
in
Numerical Ability
by
Lone Wolf
Junior
(
941
points)

35
views
0
votes
1
answer
7
probability
A deck of 52 playing cards is shuffled, and the cards are turned up one at a time until the first ace appears. Is the next card—that is, the card following the first ace—more likely to be the ace of spades or the two of clubs?
asked
Aug 12
in
Numerical Ability
by
adarsh shivhare
(
99
points)

45
views
0
votes
1
answer
8
Probability
A 5card poker hand is said to be a full house if it consists of 3 cards of the same denomination and 2 other cards of the same denomination (of course, different from the first denomination). Thus, one kind of full house is three of a kind plus a pair. What is the probability that one is dealt a full house?
asked
Aug 12
in
Numerical Ability
by
adarsh shivhare
(
99
points)

18
views
0
votes
1
answer
9
Clock Aptitude Question
A wall clock and a Table clock are set to correct time today on 10 pm. Wall clock looses 3 minute in 1st hour, 6 minutes in the second hour and 9 minutes in the third hour and so on. Table clock looses 5 minutes in the 1st hour, 10 minutes in the second hour and 15 minutes in the third hour and so on. When will they show the same time?
asked
Aug 10
in
Numerical Ability
by
Balaji Jegan
Active
(
1.7k
points)

62
views
+1
vote
1
answer
10
Infinite series
Find the infinite sum of the series $1 + \frac{4}{7} + \frac{9}{7^2} + \frac{16}{7^3} + \frac{25}{7^4} + .............\Join$
asked
Aug 8
in
Numerical Ability
by
pankaj_vir
Loyal
(
9.3k
points)

73
views
numericalability
summation
0
votes
1
answer
11
Aptitude question on Calendar
Which of the following day(s) can't be the 1st day of a century? Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday. Justify your answer.
asked
Aug 7
in
Numerical Ability
by
Balaji Jegan
Active
(
1.7k
points)

36
views
0
votes
1
answer
12
Made Easy Aptitude
How much time does a clock lose in a day, if its hands coincide every 64 minutes?
asked
Aug 6
in
Numerical Ability
by
Sambhrant Maurya
Junior
(
669
points)

28
views
0
votes
3
answers
13
algebra
The average of 50 numbers is 30. If two numbers, 35 and 40 are discarded, then the average of the remaining number is nearly?
asked
Aug 5
in
Numerical Ability
by
Sangay
(
139
points)

57
views
0
votes
1
answer
14
Work and time
A can do piece of work in 30 days while Bonku alone can do it in 40 days. If they work together, how long will it take to complete the work?
asked
Aug 5
in
Numerical Ability
by
Sangay
(
139
points)

22
views
0
votes
2
answers
15
Average
Smiths's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half(1/2). The number of students in the class is?
asked
Aug 2
in
Numerical Ability
by
Sangay
(
139
points)

31
views
+1
vote
2
answers
16
Problem solving
Two students appeared at an explanation. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are?
asked
Aug 2
in
Numerical Ability
by
Sangay
(
139
points)

43
views
+2
votes
3
answers
17
Average
The average of five consecutive number is X. If the next three numbers are also included, determine the increase in the average of eight numbers. A) X B) X/2 C) X + 1.5 D) 2
asked
Aug 1
in
Numerical Ability
by
Sangay
(
139
points)

46
views
0
votes
2
answers
18
Average
The average weight of 10 men is increased by 1.8 kg when one man who weighs 53 kg is replaced by a new man. Find th weight of a new man?
asked
Aug 1
in
Numerical Ability
by
Sangay
(
139
points)

27
views
+1
vote
5
answers
19
Average Problems
Average age of class of 39 student is 15 years. If the age of teacher is included the average is increased by 3 months. Find the age of the teacher?
asked
Aug 1
in
Numerical Ability
by
Sangay
(
139
points)

24
views
0
votes
2
answers
20
Ratio
If 15% of x is the same as 20% of y, then x:y is?
asked
Aug 1
in
Numerical Ability
by
Sangay
(
139
points)

21
views
0
votes
1
answer
21
Algebra
A farmer divided his herd of cows among his four sons. He gave one son half of the herd; second son onefourth of the herd; third son onefifth of the herd; and the fourth song 48 cows. How many cows were there in the hers originally?
asked
Jul 31
in
Numerical Ability
by
Sangay
(
139
points)

41
views
0
votes
1
answer
22
Made Easy aptitude
A garrison of 3300 men had provisions for 32 days when given at the rate of 850 gms per head. At the end of 7 days, a reinforcement arrives and it was found that the provisions will last 17 days more, when given at the rate of 825 gms per head. What is the strength of the reinforcement?
asked
Jul 31
in
Numerical Ability
by
Sambhrant Maurya
Junior
(
669
points)

29
views
0
votes
0
answers
23
Made Easy aptitude
A does half as much work as B in threefourths of the time. If together they take 18 days to complete a work, how much time shall A take to do it?
asked
Jul 31
in
Numerical Ability
by
Sambhrant Maurya
Junior
(
669
points)

41
views
0
votes
0
answers
24
Charges for parking
Car parking along St. John street is charged at flat X dollar for any amount of time up to these hours, and 1/5 of X dollar each hour or fraction of an hour after the first three hours. How much does it cost to park for 5 hours and 30 minutes?
asked
Jul 31
in
Numerical Ability
by
Sangay
(
139
points)

20
views
0
votes
2
answers
25
Missing series
What number will complete the series 48, 12, 16, 4, 8, ___?
asked
Jul 31
in
Numerical Ability
by
Sangay
(
139
points)

58
views
0
votes
1
answer
26
Number series
Find the next number in the series 4 8 12 20 ___
asked
Jul 31
in
Numerical Ability
by
Sangay
(
139
points)

30
views
0
votes
1
answer
27
RS Aggrawal
Sam leaves home between 7 am and 8 am and returns between 1 pm and 2 pm to find that the minute and hour hands have interchanged their positions. How long was Sam out of the house? Plz include the explanation for ur answer.
asked
Jul 30
in
Numerical Ability
by
Sambhrant Maurya
Junior
(
669
points)

31
views
0
votes
2
answers
28
Made Easy Aptitude
Let T be a set of integers {3,11,19,27,....451,459,467} and S be a subset of T such that the sum of no two elements of S is 470. The maximum number of elements in S is? a)32 b)28 c)29 d)30
asked
Jul 28
in
Numerical Ability
by
Sambhrant Maurya
Junior
(
669
points)

62
views
0
votes
1
answer
29
Made Easy Aptitude
Set A is formed by selecting some of the numbers from the first 100 natural numbers such that the HCF of any two numbers in the set is 5. What is the maximum number of elements that A can have? a)7 b)8 c)9 d)10
asked
Jul 28
in
Numerical Ability
by
Sambhrant Maurya
Junior
(
669
points)

29
views
0
votes
1
answer
30
Made Easy aptitude
A=486  2171. How many digits would be there if A is expressed in binary base? a)171 b)86 c)87 d)172 Kindly give the explanation along with the answer.
asked
Jul 28
in
Numerical Ability
by
Sambhrant Maurya
Junior
(
669
points)

29
views
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