Este test está cronometrado.
Tienes 30 minutos para completar 20 preguntas de este test.
The H.C.F of two numbers is 8. which of the following can never be their L.C.M
24
48
56
60
The LCM of two numbers is 1820 and their HCF is 26. If one number is 130 then the other number is:
70
1690
364
1264
The HCF and LCM of two numbers are 11 and 385 respectively. The numbers are
11 and 385 & 55 and 77
11 and 385
55 and 77
20 and 770
The HCF of two numbers, each having three digits is 17 and their LCM is 714. The sum of the numbers will be:
289
391
221
731
The sum of two numbers is 36 and their HCF is 4. How many pairs of such numbers are possible?
1
2
3
4
If the ratio of two numbers is 2:3 and their LCM is 54, then the sum of the two numbers is
15
5
45
270
The HCF and product of two numbers are 15 and 6300 respectively. The number of positive pairs of the numbers is
The sum of two numbers is 384. HCF of the numbers is 48. The difference of the numbers is
100
192
288
336
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
91
1001
910
1911
The greatest number of four digits which when divided by 12,16 and 24 leave remainders 2,6 and 14 respectively is
9974
9970
9807
9998
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?
840
841
820
814
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
400
480
520
600
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
10:28 am
10:30 am
10:31 am
Noneof these
Find the largest number of four digits which is exactly divisible by 27,18,12,15
9700
9730
9720
9710
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.
16
30
31
The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is
27
22
Find the greatest number which on dividing 1661 and 2045, leaves a reminder of 10 and 13 respectively
125
127
129
131
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:
78
104
117
The least number which when divided by 4, 6, 8, 12 or 16 leaves a remainder of 2 in each case is:
46
50
The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 100, then their difference is:
90
10
