Explore topic-wise MCQs in Arithmetic Ability.

This section includes 225 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

51.

A semi group is always a

A. A group
B. commutative group
C. a non abelian group
D. groupoid
Answer» E.
52.

The set {{1, 2, 3}, {4, 5 }} has

A. two elements
B. five elements
C. infinite elements
D. one element
Answer» C. infinite elements
53.

A monoid is always a

A. A group
B. a commutative group
C. a non abelian group
D. semi - group
Answer» E.
54.

The function f = { (x,Y) | Y = ax2 + bx + c} is

A. linear function
B. constant function
C. cubic function
D. quadratic function
Answer» E.
55.

The inverse of an identity relation is

A. not an identity relation
B. not a relation
C. an identity relation
D. an empty set
Answer» D. an empty set
56.

The unary operation is the one in which yields another number when performed on

A. two numbers
B. a single number
C. three numbers
D. four numbers
Answer» C. three numbers
57.

For all a,b belong R, a ≠ 0, b ≠ 0,a > b this imply

A. a < b
B. a = b
C. 1/ a < 1⁄b
D. 1⁄a > 1⁄b
Answer» D. 1⁄a > 1⁄b
58.

A function in which the second element of the order pair are distinct is called

A. onto function
B. one-one function
C. identity function
D. inverse function
Answer» C. identity function
59.

A ∪ ( A ∩ B) =

A. B
B. A ∪ B
C. A
D. π
Answer» D. π
60.

a2 + b2

A. (a + b )(a-b)
B. (a + ι b)(a -ι b)
C. (a + b )(a- ι b)
D. (a + ι b )(a - b)
Answer» C. (a + b )(a- ι b)
61.

A number when divided successively by 4 and 5 leaves remainders 1 and 4 respectively. When it is successively divided by 5 and 4, then the respective remainders will be%!

A. 1, 2
B. 2, 3
C. 3, 2
D. 4, 1
E. None of these
Answer» C. 3, 2
62.

What is the unit digit in the product (365 x 659 x 771)?%!

A. 1
B. 2
C. 4
D. 6
E. None of these
Answer» D. 6
63.

If (64)2 - (36)2 = 20 x x, then x = ?%!

A. 70
B. 120
C. 180
D. 140
E. None of these
Answer» E. None of these
64.

The sum of even numbers between 1 and 31 is:%!

A. 6
B. 28
C. 240
D. 512
E. None of these
Answer» D. 512
65.

What is the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?%!

A. 840
B. 841
C. 820
D. 814
Answer» E.
66.

The remainder of 636/215 :%!

A. 0
B. 1
C. 2
D. 3
Answer» C. 2
67.

Sunny gets 7/9 times as many marks in QA as in ENGLISH. If his total combined marks in both the papers is 90. His marks in QA is:%!

A. 50
B. 60
C. 70
D. 80
Answer» D. 80
68.

One-third of a tower is painted black, 5/11th of the remaining part is painted red and the rest is painted white. If the white part measures 60ft.,the total height of the tower is-%!

A. 100 ft.
B. 154 ft.
C. 165 ft.
D. 110 ft.
Answer» D. 110 ft.
69.

Three mangoes, four guavas, and five watermelons cost Rs. 750. Ten watermelons, six mangoes and 9 guavas Cost Rs. 1580. What is the cost of six mangoes, ten watermelons and 4 guavas?%!

A. 1280
B. 1180
C. 1080
D. Can't determined
Answer» C. 1080
70.

A number when divided by 14 leaves reminder of 8, but when the same number is divided by 7, it will leave the remainder :%!

A. 3
B. 2
C. 1
D. 4
Answer» B. 2
71.

The rightmost non-zero digit of the number 302720 is%!

A. 1
B. 3
C. 7
D. 9
Answer» B. 3
72.

Two numbers are in the ratio 3:4. If their LCM is 240, the smaller of two number is%!

A. 100
B. 80
C. 60
D. 50
Answer» D. 50
73.

Find the remainder when 496 is divided by 6.%!

A. 0
B. 2
C. 3
D. 4
Answer» E.
74.

*$_Three mangoes, four guavas, and five watermelons cost Rs. 750. Ten watermelons, six mangoes and 9 guavas Cost Rs. 1580. What is the cost of six mangoes, ten watermelons and 4 guavas??

A. 1280
B. 1180
C. 1080
D. Can't determined
Answer» C. 1080
75.

*$_Sunny gets 7/9 times as many marks in QA as in ENGLISH. If his total combined marks in both the papers is 90. His marks in QA is:?

A. 50
B. 60
C. 70
D. 80
Answer» D. 80
76.

*$_A number when divided by 14 leaves reminder of 8, but when the same number is divided by 7, it will leave the remainder :?

A. 3
B. 2
C. 1
D. 4
Answer» B. 2
77.

*$_The remainder of 636/215 :?

A. 0
B. 1
C. 2
D. 3
Answer» C. 2
78.

*$_One-third of a tower is painted black, 5/11th of the remaining part is painted red and the rest is painted white. If the white part measures 60ft.,the total height of the tower is-?

A. 100 ft.
B. 154 ft.
C. 165 ft.
D. 110 ft.
Answer» D. 110 ft.
79.

*$_What is the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad??

A. 840
B. 841
C. 820
D. 814
Answer» E.
80.

*$_What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder??

A. 1108
B. 1683
C. 2007
D. 3363
Answer» C. 2007
81.

*$_A teacher wants to arrange his students in an equal number of rows and columns. If there are 1369 students, the number of students in last row are:?

A. 37
B. 33
C. 63
D. 47
Answer» B. 33
82.

*$_The rightmost non-zero digit of the number 302720 is?

A. 1
B. 3
C. 7
D. 9
Answer» B. 3
83.

*$_Find the remainder when 496 is divided by 6.?

A. 0
B. 2
C. 3
D. 4
Answer» E.
84.

*$_Two numbers are in the ratio 3:4. If their LCM is 240, the smaller of two number is?

A. 100
B. 80
C. 60
D. 50
Answer» D. 50
85.

*/*_What is the least number of soldiers that can be drawn up in troops of 12, 15, 18 and 20 soldiers and also in form of a solid square??

A. 900
B. 400
C. 1600
D. 2500
Answer» B. 400
86.

*/*_11 * X = 693 /9?

A. 3
B. 5
C. 7
D. 9
Answer» D. 9
87.

*/*_The sum of 100 terms of the series1 -3 +5 -7 +9 -11 .......... is:?

A. 100
B. - 200
C. 200
D. - 100
Answer» E.
88.

*/*_The LCM of two numbers is 1020 and their HCF is 34 the possible pair of number is:?

A. 255, 34
B. 102, 204
C. 204, 170
D. None of these
Answer» D. None of these
89.

*/*_The smallest number of four digits which on division by 4, 6, 10 and 15 leaves a remainder 2 in each case is:?

A. 1020
B. 1022
C. 1024
D. 1040
Answer» C. 1024
90.

*/*_A naughty boy Amrit watches a Sachin Tendulkar inning and acts according to number of runs he sees Sachin scoring. The details are:1 run - place one orange in the basket 2 runs - place one mango in basket3 runs - place a pear in the basket4 runs - remove a pear and a mango from the basketOne fine day, at the start of the match, the basket is empty. The sequence of runs scored by Sachin in that inning are given as 11232411234232341121314. At the end of the above inning, how many more oranges were there compared to mangoes inside the basket ? (The Basket was empty initially).?

A. 4
B. 5
C. 6
D. 7
Answer» D. 7
91.

*/*_The unit digit of (316)34n + 1 is :?

A. 4
B. 5
C. 1
D. 7
Answer» E.
92.

%_A naughty boy Amrit watches a Sachin Tendulkar inning and acts according to number of runs he sees Sachin scoring. The details are:1 run - place one orange in the basket 2 runs - place one mango in basket3 runs - place a pear in the basket4 runs - remove a pear and a mango from the basketOne fine day, at the start of the match, the basket is empty. The sequence of runs scored by Sachin in that inning are given as 11232411234232341121314. At the end of the above inning, how many more oranges were there compared to mangoes inside the basket ? (The Basket was empty initially)._%

A. 4
B. 5
C. 6
D. 7
Answer» D. 7
93.

%_The LCM of two numbers is 1020 and their HCF is 34 the possible pair of number is:_%

A. 255, 34
B. 102, 204
C. 204, 170
D. None of these
Answer» D. None of these
94.

%_The unit digit of (316)34n + 1 is :_%

A. 4
B. 5
C. 1
D. 7
Answer» E.
95.

%_The sum of 100 terms of the series1 -3 +5 -7 +9 -11 .......... is:_%

A. 100
B. - 200
C. 200
D. - 100
Answer» E.
96.

%_The smallest number of four digits which on division by 4, 6, 10 and 15 leaves a remainder 2 in each case is:_%

A. 1020
B. 1022
C. 1024
D. 1040
Answer» C. 1024
97.

%_11 * X = 693 /9_%

A. 3
B. 5
C. 7
D. 9
Answer» D. 9
98.

%_Six bells start ringing together and ring at intervals of 4, 8, 10, 12, 15 and 20 seconds respectively. how many times will they ring together in 60 minutes ?_%

A. 31
B. 15
C. 16
D. 30
Answer» B. 15
99.

%_The HCF and LCM of two numbers are 44 and 264 respectively. If the first number is divided by 2, the quotient is 44. The other number is:_%

A. 147
B. 528
C. 132
D. 264
Answer» D. 264
100.

%_LCM of two numbers is 936. If their HCF is 4 and one of the numbers is 72, the other is_%

A. 42
B. 52
C. 62
D. None of these
Answer» C. 62