Quantitative Aptitude - Problems On Numbers
Exam Duration: 45 Mins Total Questions : 30
If a number decreased by 4 and divided by 6,the result is 8.What would be the result if 2 is subtracted from the number and then it is divided and then it is divided by 5?
- (a)
\(9{2\over3}\)
- (b)
10
- (c)
\(10{1\over5}\)
- (d)
\(11{1\over5}\)
- (e)
None of these
If one-third of one-fourth of a number is 15,then three-tenth of that number is:
- (a)
35
- (b)
36
- (c)
45
- (d)
54
If 50 is subtracted from two-third of a number,the result is equal to sumof 40 and one-fourth of that number. What is the number?
- (a)
174
- (b)
216
- (c)
246
- (d)
336
If the sum of a number and its square is 182,what is the number?
- (a)
15
- (b)
26
- (c)
28
- (d)
91
- (e)
None of these
A positive number when decreased by 4 is equal to 21 times the reciprocal of the number.The number is:
- (a)
3
- (b)
5
- (c)
7
- (d)
9
If \(2{1\over2}\)is added to a number and the sum mulplied by \(4{1\over2}\)and 3 is added to the product and then dividing the sum by \(1{1\over5}\),the quoitient becomes 25.What is the number?
- (a)
\(\)\(2{1\over2}\)
- (b)
\(3{1\over2}\)
- (c)
\(4{1\over2}\)
- (d)
\(5{1\over2}\)
Three numbers are in the ratio 4:5:6 and their average is 25. The largest numbers is:
- (a)
30
- (b)
32
- (c)
36
- (d)
42
Three numbers are in the ratio 3:4:6 and their product is 1944.The largest of these numbers is:
- (a)
6
- (b)
12
- (c)
18
- (d)
None of these
One-fifth of a number is equal to \(5\over8\)of another number.If 35 is added to the first number,it becomes four times of the second number.The second number is:
- (a)
25
- (b)
40
- (c)
70
- (d)
125
The sum of two numbers of is 40 and their difference is 4.The ratio of the number is:
- (a)
11:9
- (b)
11:18
- (c)
21:19
- (d)
22:9
The difference between the integers is 5.Their product is 500.Find the number
- (a)
15,20
- (b)
20,25
- (c)
30,25
- (d)
21,26
The two numbers differ by 5.If their product is 336,then the sum of the two numbers
- (a)
21
- (b)
28
- (c)
37
- (d)
51
The diffrence between two numbers is 1365.When the larger number is divided by the smaller one,the quoitient is 6 and the remainder is 15.The smaller number is:
- (a)
240
- (b)
270
- (c)
295
- (d)
360
The product of two numbers is 120 and the sumof their squares is 289.The sum of the number is:
- (a)
20
- (b)
23
- (c)
169
- (d)
None of these
The sum of three consecutive numbers 87.The greatest among these three numbers is:
- (a)
26
- (b)
28
- (c)
29
- (d)
30
The sum of four cosecutive even intergers is 1284.The greatest of them is:
- (a)
320
- (b)
322
- (c)
324
- (d)
326
The sum of three consecutive odd numbers 20 more than the first of these numbers.What is the middle number?
- (a)
7
- (b)
9
- (c)
11
- (d)
Data inadequate
- (e)
None of these
The sum of three consecutive multiplies of 3 is 72.What is the largest number?
- (a)
21
- (b)
24
- (c)
27
- (d)
36
The sum of the squares of three consecutive natural numbers is 2030.What is the middle number?
- (a)
25
- (b)
26
- (c)
27
- (d)
28
A number of two digit has 3 for its unit's digit,and the sum of digits is \(1\over7\)of the number itself.The number is
- (a)
43
- (b)
53
- (c)
63
- (d)
73
The sum of the digits of a two-digits number is 15 and the difference between the digits is 3.What is the two-digits number?
- (a)
69
- (b)
78
- (c)
96
- (d)
Cannot be determined
- (e)
None of these
The difference between a two-digit number and the number obtained by interchanged by interchanging the two digits is 36.What is the difference between two digits of that number?
- (a)
3
- (b)
4
- (c)
9
- (d)
Cannot be determined
- (e)
None of these
The difference between a two-digit number and the number obtained by interchanging the digits is 36.What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1:2?
- (a)
4
- (b)
8
- (c)
16
- (d)
None of these
If the numerator of a fraction is increased by 2 and the denominator is increased by 3,the fraction becomes \(7\over9\)and if both the numerator as well as the denominator are decreased by 1,the fraction becomes \(4\over5\).What is the original fraction?
- (a)
\(5\over6\)
- (b)
\(9\over11\)
- (c)
\(13\over16\)
- (d)
\(17\over21\)
When the nemerator of a increases by 4,the fraction increases by \(2\over3\).The denominator of the fraction is:
- (a)
2
- (b)
3
- (c)
4
- (d)
6
54 is to be divided into two parts such that the sum of 10 times the first and 22 times the seccond is 780.The bigger part is:
- (a)
24
- (b)
34
- (c)
30
- (d)
32
243 has been divided into three parts such that half of the first part,one-third of the second part and one-fourth of the third part are equal.The largest part is
- (a)
74
- (b)
86
- (c)
92
- (d)
108
The sum of the squares of three numbers is 138,while the sum of their products taken two at a time is 131.The sum is:
- (a)
20
- (b)
30
- (c)
40
- (d)
None of these
What will be the sum of two numbers?
I.Among the two numbers ,the bigger number is greater than the smaller number by 6.
II.40% of the smaller number is equal to 30% of the bigger number.
III.The ratio between the half of the bigger number and one-third of the smaller number is 2 : 1.
- (a)
I and II only
- (b)
II and III only
- (c)
All I,II and III
- (d)
Any two of the three
- (e)
None of these
What is the two-digit number ?
I.The difference between the two-digit number and the number formed by interchanging the digits is 27.
II.The difference between the two digits is 3.
III.The digit at unit's place is less than that at ten's place by 3.
- (a)
I and II only
- (b)
I and III only
- (c)
All I,Ii and III
- (d)
I,and either II or III
- (e)
Even with all I,II and III, answer cannot be given