# Quiz Discussion

The LCM and HCF of two numbers are 84 and 21, respectively. If the ratio of the two numbers is 1 : 4, then the larger of the two numbers is

Course Name: Quantitative Aptitude

• 1]

12

• 2]

48

• 3]

84

• 4]

108

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# Quiz
1
Discuss

What is the greatest number which when subtracted from 3000, is exactly divisible by 7, 11 and 13 ?

• 1]

1999

• 2]

3000

• 3]

10001

• 4]

3050

##### Solution
2
Discuss

Which of the following is a pair of co-primes?

• 1]

(14,35)

• 2]

(18,25)

• 3]

(31,93)

• 4]

(32,62)

##### Solution
3
Discuss

The product of two numbers is 2028 and their HCF is 13. The number of such pairs is :

• 1]

1

• 2]

2

• 3]

3

• 4]

4

##### Solution
4
Discuss

HCF of 3240, 3600 and a third number is 36 and their LCM is 24×35×52×72 Then the third number is

• 1]

22×35×72

• 2]

22×53×72

• 3]

22×52×72

• 4]

23×35×72

##### Solution
5
Discuss

The H.C.F. and L.C.M. of 0.63, 1.05 and 2.1

• 1]

0.20 and 6.31

• 2]

0.21 and 5.30

• 3]

0.21 and 6.30

• 4]

1.21 and 6.50

##### Solution
6
Discuss

The H.C.F and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125 , then that number is

• 1]

77

• 2]

88

• 3]

99

• 4]

110

##### Solution
7
Discuss

What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder?

• 1]

1108

• 2]

1683

• 3]

2007

• 4]

3363

##### Solution
8
Discuss

Product of two coprime numbers is 117, then their LCM is

• 1]

9

• 2]

13

• 3]

39

• 4]

117

##### Solution
9
Discuss

Which of the following has the most number of divisors?

• 1]

99

• 2]

101

• 3]

176

• 4]

182

##### Solution
10
Discuss

The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively is

• 1]

271

• 2]

172

• 3]

721

• 4]

127

# Quiz