DaY-1 Quiz

Question 1 of 20

1

The H.C.F of two numbers is 8. which of the following can never be their L.C.M

Select one of the following:

24
48
56
60

Explanation

Question 2 of 20

1

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

Select one of the following:

70
1690
364
1264

Explanation

Question 3 of 20

1

The HCF and LCM of two numbers are 11 and 385 respectively. The numbers are

Select one of the following:

11 and 385 & 55 and 77
11 and 385
55 and 77
20 and 770

Explanation

Question 4 of 20

1

The HCF of two numbers, each having three digits is 17 and their LCM is 714. The sum of the numbers will be:

Select one of the following:

289
391
221
731

Explanation

Question 5 of 20

1

The sum of two numbers is 36 and their HCF is 4. How many pairs of such numbers are possible?

Select one of the following:

1
2
3
4

Explanation

Question 6 of 20

1

If the ratio of two numbers is 2:3 and their LCM is 54, then the sum of the two numbers is

Select one of the following:

15
5
45
270

Explanation

Question 7 of 20

1

The HCF and product of two numbers are 15 and 6300 respectively. The number of positive pairs of the numbers is

Select one of the following:

4
3
2
1

Explanation

Question 8 of 20

1

The sum of two numbers is 384. HCF of the numbers is 48. The difference of the numbers is

Select one of the following:

100
192
288
336

Explanation

Question 9 of 20

1

The maximum number of students among whom 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils, is

Select one of the following:

91
1001
910
1911

Explanation

Question 10 of 20

1

The greatest number of four digits which when divided by 12,16 and 24 leave remainders 2,6 and 14 respectively is

Select one of the following:

9974
9970
9807
9998

Explanation

Question 11 of 20

1

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?

Select one of the following:

840
841
820
814

Explanation

Question 12 of 20

1

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

Select one of the following:

400
480
520
600

Explanation

Question 13 of 20

1

An electronic device makes a beep after every 60 sec. Another device makes a beep after every 62 sec. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest, is

Select one of the following:

10:28 am
10:30 am
10:31 am
Noneof these

Explanation

Question 14 of 20

1

Find the largest number of four digits which is exactly divisible by 27,18,12,15

Select one of the following:

9700
9730
9720
9710

Explanation

Question 15 of 20

1

Six bells commence tolling together and toll at the intervals of 2,4,6,8,10,12 seconds resp. In 60 minutes how many times they will toll together.

Select one of the following:

15
16
30
31

Explanation

Question 16 of 20

1

The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is

Select one of the following:

27
22
56
48

Explanation

Question 17 of 20

1

Find the greatest number which on dividing 1661 and 2045, leaves a reminder of 10 and 13 respectively

Select one of the following:

125
127
129
131

Explanation

Question 18 of 20

1

The HCF and LCM of two numbers are 13 and 455 respectively. If one of the numbers lies between 75 and 125, then, that number is:

Select one of the following:

78
91
104
117

Explanation

Question 19 of 20

1

The least number which when divided by 4, 6, 8, 12 or 16 leaves a remainder of 2 in each case is:

Select one of the following:

46
48
50
56

Explanation

Question 20 of 20

1

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

Select one of the following:

90
10
70
46

	Created by rem institute over 8 years ago

Number system quiz day -1

Question 1 of 20

The H.C.F of two numbers is 8. which of the following can never be their L.C.M

Select one of the following:

Explanation

Question 2 of 20

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

Select one of the following:

Explanation

Question 3 of 20

The HCF and LCM of two numbers are 11 and 385 respectively. The numbers are

Select one of the following:

Explanation

Question 4 of 20

The HCF of two numbers, each having three digits is 17 and their LCM is 714. The sum of the numbers will be:

Select one of the following:

Explanation

Question 5 of 20

The sum of two numbers is 36 and their HCF is 4. How many pairs of such numbers are possible?

Select one of the following:

Explanation

Question 6 of 20

If the ratio of two numbers is 2:3 and their LCM is 54, then the sum of the two numbers is

Select one of the following:

Explanation

Question 7 of 20

The HCF and product of two numbers are 15 and 6300 respectively. The number of positive pairs of the numbers is

Select one of the following:

Explanation

Question 8 of 20

The sum of two numbers is 384. HCF of the numbers is 48. The difference of the numbers is

Select one of the following:

Explanation

Question 9 of 20

The maximum number of students among whom 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils, is

Select one of the following:

Explanation

Question 10 of 20

The greatest number of four digits which when divided by 12,16 and 24 leave remainders 2,6 and 14 respectively is

Select one of the following:

Explanation

Question 11 of 20

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?

Select one of the following:

Explanation

Question 12 of 20

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

Select one of the following:

Explanation

Question 13 of 20

An electronic device makes a beep after every 60 sec. Another device makes a beep after every 62 sec. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest, is

Select one of the following:

Explanation

Question 14 of 20

Find the largest number of four digits which is exactly divisible by 27,18,12,15

Select one of the following:

Explanation

Question 15 of 20

Six bells commence tolling together and toll at the intervals of 2,4,6,8,10,12 seconds resp. In 60 minutes how many times they will toll together.

Select one of the following:

Explanation

Question 16 of 20

The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is

Select one of the following:

Explanation

Question 17 of 20

Find the greatest number which on dividing 1661 and 2045, leaves a reminder of 10 and 13 respectively

Select one of the following:

Explanation

Question 18 of 20

The HCF and LCM of two numbers are 13 and 455 respectively. If one of the numbers lies between 75 and 125, then, that number is:

Select one of the following:

Explanation

Question 19 of 20

The least number which when divided by 4, 6, 8, 12 or 16 leaves a remainder of 2 in each case is:

Select one of the following:

Explanation

Question 20 of 20

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