Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 7 - HCF & LCM>Practice Exercise>Q 16

MEDIUM

RRB NTPC CBT 1

IMPORTANT

Earn 100

What is the greatest number that will divide $307$ and $330$ leaving remainders $3$ and $7$ respectively?

50% studentsanswered this correctly

Important Questions on HCF & LCM

MEDIUM

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 7 - HCF & LCM>Practice Exercise>Q 17

The least number which when divided by

16, 18, 20

and

25

leaves

4

as the remainder in each case but when divided by

7

leaves no remainder is?

MEDIUM

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 7 - HCF & LCM>Practice Exercise>Q 18

The smallest number, which divided by

12

and

16

leaves remainder

5

and

9

respectively, is?

MEDIUM

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 7 - HCF & LCM>Practice Exercise>Q 19

The least perfect square which is divisible by each of

21, 36

and

66

is?

MEDIUM

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 7 - HCF & LCM>Practice Exercise>Q 20

The

HCF

and

LCM

of two numbers are

45

and

270

respectively. If the ratio of the two numbers is

2 : 3

and smaller of the two numbers is

x

, then find

x^{2}

.

EASY

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 7 - HCF & LCM>Practice Exercise>Q 21

Three men step off together from the same spot. Their steps measures

63 c m, 70 c m

and

77 c m

respectively. The minimum distance each should cover so that all can cover the distance in complete steps is:

MEDIUM

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 7 - HCF & LCM>Practice Exercise>Q 22

The LCM of two consecutive even numbers is

144

, find the numbers?

MEDIUM

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 7 - HCF & LCM>Practice Exercise>Q 23

Three bells ring at intervals of

15, 20

and

30

minutes respectively. If they all ring at

11.00 a . m .

together, at what time will they next ring together?

MEDIUM

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 7 - HCF & LCM>Practice Exercise>Q 24

What is the smallest number of

5

digits which is exactly divisible by

12

,

24

,

48

,

60

and

96

?