DaY-1 Quiz

rem institute
Quiz by rem institute, updated more than 1 year ago
rem institute
Created by rem institute over 3 years ago
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Description

Number system quiz day -1

Resource summary

Question 1

Question
The H.C.F of two numbers is 8. which of the following can never be their L.C.M
Answer
  • 24
  • 48
  • 56
  • 60

Question 2

Question
The LCM of two numbers is 1820 and their HCF is 26. If one number is 130 then the other number is:
Answer
  • 70
  • 1690
  • 364
  • 1264

Question 3

Question
The HCF and LCM of two numbers are 11 and 385 respectively. The numbers are
Answer
  • 11 and 385 & 55 and 77
  • 11 and 385
  • 55 and 77
  • 20 and 770

Question 4

Question
The HCF of two numbers, each having three digits is 17 and their LCM is 714. The sum of the numbers will be:
Answer
  • 289
  • 391
  • 221
  • 731

Question 5

Question
The sum of two numbers is 36 and their HCF is 4. How many pairs of such numbers are possible?
Answer
  • 1
  • 2
  • 3
  • 4

Question 6

Question
If the ratio of two numbers is 2:3 and their LCM is 54, then the sum of the two numbers is
Answer
  • 15
  • 5
  • 45
  • 270

Question 7

Question
The HCF and product of two numbers are 15 and 6300 respectively. The number of positive pairs of the numbers is
Answer
  • 4
  • 3
  • 2
  • 1

Question 8

Question
The sum of two numbers is 384. HCF of the numbers is 48. The difference of the numbers is
Answer
  • 100
  • 192
  • 288
  • 336

Question 9

Question
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
Answer
  • 91
  • 1001
  • 910
  • 1911

Question 10

Question
The greatest number of four digits which when divided by 12,16 and 24 leave remainders 2,6 and 14 respectively is
Answer
  • 9974
  • 9970
  • 9807
  • 9998

Question 11

Question
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?
Answer
  • 840
  • 841
  • 820
  • 814

Question 12

Question
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
Answer
  • 400
  • 480
  • 520
  • 600

Question 13

Question
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
Answer
  • 10:28 am
  • 10:30 am
  • 10:31 am
  • Noneof these

Question 14

Question
Find the largest number of four digits which is exactly divisible by 27,18,12,15
Answer
  • 9700
  • 9730
  • 9720
  • 9710

Question 15

Question
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.
Answer
  • 15
  • 16
  • 30
  • 31

Question 16

Question
The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is
Answer
  • 27
  • 22
  • 56
  • 48

Question 17

Question
Find the greatest number which on dividing 1661 and 2045, leaves a reminder of 10 and 13 respectively
Answer
  • 125
  • 127
  • 129
  • 131

Question 18

Question
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:
Answer
  • 78
  • 91
  • 104
  • 117

Question 19

Question
The least number which when divided by 4, 6, 8, 12 or 16 leaves a remainder of 2 in each case is:
Answer
  • 46
  • 48
  • 50
  • 56

Question 20

Question
The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 100, then their difference is:
Answer
  • 90
  • 10
  • 70
  • 46
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