Explore topic-wise MCQs in Arithmetic Ability.

This section includes 402 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

101.

A fraction becomes $$\frac{1}{6}$$ when 4 is subtracted from its numerator and 1 is added to its denominator. If 2 and 1 are respectively added to its numerator and the denominator, it becomes $$\frac{1}{3}$$. Then, the LCM of the numerator and denominator of the said fraction, must be=?

A. 4
B. 50
C.
Answer» B. 50
102.

If x:y be the ratio of two whole numbers and z be their HCF, then the LCM of those two number is = ?

A. $yz$$
B. $\frac{{xz}}{y}$$
C. $\frac{{xy}}{z}$$
D. $xyz$$
Answer» E.
103.

What is the least natural number which leaves no remainders when divided by all the digits from 1 to 9 ?

A. 800
B. 920
C. 520
D. 040
Answer» D. 040
104.

Find the greatest number that will divide 964, 1238 and 1400 leaving remainders 41, 31, and 51 respectively=?

A. 1
B. 1
C. 3
D. 1
Answer» C. 3
105.

If HCF of p and q is x and q = xy, then the LCM of p and q is=?

A. q
B. y
C. y
D. y
Answer» E.
106.

The largest 4-digit number exactly divisible by each of 12, 15, 18 and 27 is?

A. 690
B. 720
C. 930
D. 960
Answer» C. 930
107.

The LCM of two numbers is 20 times their HCF. The sum of HCF ans LCM is 2520. If one of the number 480, the other number is= ?

A. 00
B. 80
C. 20
D. 00
Answer» E.
108.

What is the least number which when divided by the number 3, 5, 6, 8, 10 and 12 leaves in each case a remainder 2 but when divided by 22 leaves no remainder ?

A. 12
B. 42
C. 562
D. 586
Answer» C. 562
109.

If the product of two numbers is 324 and their HCF is 3, then their LCM will be=?

A. 72
B. 27
C. 21
D. 08
Answer» E.
110.

Find the largest number of four digits such that on dividing by 15, 18, 21 and 24 the remainders are 11, 14, 17 and 20 respectively.

A. 557
B. 556
C. 675
D. 664
Answer» C. 675
111.

The H.C.F of 4 × 27 × 3125, 8 × 9 × 25 × 7 and 16 × 81 × 5 × 11 × 49 is = ?

A. 80
B. 60
C. 40
D. 260
Answer» B. 60
112.

The H.C.F of 24 × 32 × 53 × 7, 23 × 33 × 52 × 72 and 3 × 5 × 7 × 11 is = ?

A. 05
B. 155
C. 310
D. 7720
Answer» B. 155
113.

Find the greatest number of five digits which when divided by 3, 5, 8, 12 leaves 2 as remainder ?

A. 9999
B. 9948
C. 9962
D. 9722
Answer» D. 9722
114.

The HCF of two number 12906 and 14818 is 478. Their LCM is ?

A. 00086
B. 00043
C. 00129
D. 00172
Answer» B. 00043
115.

The LCM of two numbers is 1820 and their HCF is 26. If one number is 130 then the other number is ?

A. 0
B. 690
C. 64
D. 264
Answer» D. 264
116.

The simplest reduction to the lowest terms of $$\frac{{116690151}}{{427863887}}$$is=?

A. $\frac{{3}}{{11}}$$
B. $\frac{{7}}{{11}}$$
C. $\frac{{11}}{{3}}$$
D. one of these
Answer» B. $\frac{{7}}{{11}}$$
117.

The LCM and the HCF of the numbers 28 and 42 are in the ratio ?

A. : 1
B. : 3
C. : 2
D. : 2
Answer» B. : 3
118.

The HCF of two numbers is 8. Which one of the following can never be their LCM ?

A. 4
B. 8
C. 6
D. 0
Answer» E.
119.

The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 100, then their difference is=?

A. 0
B. 6
C. 0
D. 0
Answer» B. 6
120.

 LCM of 0.12, 0.15, 0.2 and 0.54?

A. 2.8
B. 5.4
C. 7.8
D. 9.2
Answer» C. 7.8
121.

 What is the least number of that is exactly divisible by 4, 12, 15, and 18?

A. 60
B. 110
C. 150
D. 180
Answer» E.
122.

 Find the greatest number that will divide 172, 205 and 304 so as to leave the same remainder in each case?

A. 33
B. 66
C. 99
D. None of these
Answer» B. 66
123.

 Find the greatest number that will divide 147,185 and 251 leaving the remainders 3,5 and 11 respectively.

A. 11
B. 12
C. 13
D. 14
Answer» C. 13
124.

 In a school, the number of students in Sections A , B and C of 10th class are 70,98 and 126 respectively. Due to overload of student in each class , the administration wants to increase the number roo

A. 14
B. 17
C. 21
D. 28
Answer» D. 28
125.

 What is the side of the largest possible square brick which can be paved on the floor of a room 4m 96cm long and 4m 3cm broad?

A. 9 cm
B. 16 cm
C. 25 cm
D. 31 cm
Answer» E.
126.

 Find the HCF of of 0.36, 0.48, 0.72 and 2.4

A. 0.4
B. 0.8
C. 0.12
D. 0.16
Answer» D. 0.16
127.

 Express 1168/1095 in simple form?

A. 16/15
B. 17/16
C. 18/17
D. 19/18
Answer» B. 17/16
128.

 The traffic lights at three different road crossings change after every 48 sec., 72 sec and 108 sec.respectively .If they all change simultaneously at 8:20:00 hours,then at what time they again change

A. 7:25:14 hrs
B. 8:27:12 hrs
C. 9:22:08 hrs
D. 10:13:17 hrs
Answer» C. 9:22:08 hrs
129.

 Find 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. 1683
B. 2683
C. 3683
D. 4683
Answer» B. 2683
130.

 Find the least number which when divided by 20,25,35 and 40 leaves remainders 14,19,29 and 34 respectively.

A. 1194
B. 1294
C. 1394
D. 1494
Answer» D. 1494
131.

 Find the smallest number of five digits exactly divisible by 16,24,36 and 54.

A. 10268
B. 10368
C. 10468
D. 10568
Answer» C. 10468
132.

 Find the largest number of four digits exactly divisible by 12,15,18 and 27.

A. 6720
B. 7720
C. 8720
D. 9720
Answer» E.
133.

 Find the least number which when divided by 6,7,8,9, and 12 leave the same remainder 1 each case

A. 404
B. 505
C. 606
D. 707
Answer» C. 606
134.

 Find the largest number which divides 62, 132 and 237 to leave the same remainder in each case.

A. 22
B. 35
C. 48
D. 52
Answer» C. 48
135.

 Find the greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively.

A. 127
B. 221
C. 379
D. 445
Answer» B. 221
136.

 Find the greatest possible length which can be used to measure exactly the lengths 4 m 95 cm, 9 m and 16 m 65 cm.

A. 25 cm
B. 35 cm
C. 45 cm
D. 55 cm
Answer» D. 55 cm
137.

 The H.C.F. of two numbers is 11 and their L.C.M. is 693. If one of the numbers is 77,find the other.

A. 79
B. 89
C. 99
D. 109
Answer» D. 109
138.

 Two numbers are in the ratio of 15:11. If their H.C.F. is 13, find the numbers.

A. 95, 43
B. 195, 143
C. 295, 243
D. 395, 343
Answer» C. 295, 243
139.

 Find the L.C.M. of 16, 24, 36 and 54.

A. 189
B. 228
C. 321
D. 432
Answer» E.
140.

 Find the least multiple of 23, which when divided by 18, 21 and 24 leaves remainders 7, 10 and 13 respestively.

A. 3002
B. 3013
C. 3024
D. 3036
Answer» C. 3024
141.

 The leas number which when divided by 5, 6, 7 and 8 leaves a remainder 3 but when divided by 9 leaves no remainder, is :

A. 1677
B. 1683
C. 2523
D. 3363
Answer» C. 2523
142.

 Find the least number which when divided by 16, 18, 20 and 2 leaves 4 as remainder in each case , but when divided by 7 leaves no. remainder

A. 17004
B. 18000
C. 18002
D. 18004
Answer» E.
143.

 Six belts commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes. how many times do they toll together ?

A. 4
B. 10
C. 15
D. 16
Answer» E.
144.

 A. B. and C. start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds.all starting at the same point.

A. 26 minutes 18 seconds
B. 42 minutes 36 seconds
C. 45 minutes
D. 46 minutes 12 seconds.
Answer» E.
145.

 The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is

A. 504
B. 536
C. 544
D. 548
Answer» E.
146.

 The largest four- digit number which when divided by 4, 7, or 13 leaves a remainder of 3 in each case is

A. 8739
B. 9831
C. 9834
D. 9893
Answer» C. 9834
147.

 Let the leas number of six digits. which when divided by 4, 6, 10 and 15 leaves in each case the same remainder of 2 be N. The sum of the digits in N is

A. 3
B. 4
C. 5
D. 6
Answer» D. 6
148.

 The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is :

A. 74
B. 94
C. 184
D. 364
Answer» E.
149.

 The least number, which when divided by 48, 60, 72, 108 and 140 leaves 38, 0, 62,98 and 130 as remainders respectively is .

A. 11115
B. 15110
C. 15120
D. 15210
Answer» C. 15120
150.

 Find the L.C.M.. of 72, 108 and 2100.

A. 37000
B. 37800
C. 38000
D. 38600
Answer» C. 38000