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IBPS > LCM, HCF and Fraction

Explore popular questions from LCM, HCF and Fraction for IBPS. This collection covers LCM, HCF and Fraction previous year IBPS questions hand picked by experienced teachers.

Q 1.

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The respective ratio between the present ages of Ram and Rakesh is {tex} 6: 11 . {/tex} Four years ago, the ratio of the ages was 1: 2 respectively. What will be Rakesh's age after five years?

A

45 years

B

29 years

49 years

D

Cannot be determined

E

None of these

Explanation


Q 2.

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If the numerator of a fraction is increased by {tex} 150 \% {/tex} and the denominator of the fraction is increased by {tex} 350 \% , {/tex} the resultant fraction is {tex} \frac { 25 } { 51 } , {/tex} what is the original fraction?

A

{tex} \frac { 11 } { 17 } {/tex}

B

{tex} \frac { 11 } { 15 } {/tex}

{tex} \frac { 15 } { 17 } {/tex}

D

{tex} \frac { 13 } { 15 } {/tex}

E

None of these

Explanation

Q 3.

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When {tex} 30 \% {/tex} of one number is subtracted from another number, the second number reduces to its four-fifth. What is the ratio between the first and the second number respectively?

A

4: 7

B

3: 2

2: 3

D

Cannot be determined

E

None of these

Explanation

Q 4.

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If the numerator of a fraction is increased by {tex} 400 \% {/tex} and the denominator is increased by {tex} 500 \% . {/tex} The resultant fraction is {tex} \frac { 20 } { 27 } . {/tex} What was the original fraction?

A

{tex} \frac { 9 } { 8 } {/tex}

B

{tex} \frac { 11 } { 12 } {/tex}

{tex} \frac { 8 } { 9 } {/tex}

D

Cannot be determined

E

None of these

Explanation

Q 5.

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The difference between the {tex} \frac { 3 } { 4 } {/tex}th of {tex} \frac { 4 } { 5 } {/tex}th of a number and {tex} \frac { 1 } { 6 } {/tex}th of {tex} \frac { 2 } { 5 } {/tex}th of the same number is {tex} 648 . {/tex} What is the number?

A

1110

1215

C

1325

D

1440

E

None of these

Explanation

Q 6.

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If {tex} 3 \frac { 4 } { 5 } {/tex} is subtracted from {tex} 6 \frac { 3 } { 5 } {/tex} and difference is multiplied by 355 then what will be the final number?

A

1004

B

884

C

774

994

E

None of these

Explanation

Q 7.

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If the numerator of a fraction is increased by {tex} 240 \% {/tex} and the denominator of the fraction is decreased by {tex} 50 \% , {/tex} the resultant fraction is {tex} 2 \frac { 5 } { 6 } . {/tex} What is the original fraction?

A

{tex} \frac { 1 } { 4 } {/tex}

B

{tex} \frac { 2 } { 3 } {/tex}

{tex} \frac { 5 } { 12 } {/tex}

D

{tex} \frac { 4 } { 11 } {/tex}

E

None of these

Explanation

Q 8.

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If the numerator of a fraction is increased by {tex} 200 \% {/tex} and the denominator is increased by {tex} 300 \% , {/tex} the resultant fraction is {tex} \frac { 15 } { 26 } . {/tex} What was the original fraction?

A

{tex} \frac { 8 } { 11 } {/tex}

B

{tex} \frac { 10 } { 11 } {/tex}

C

{tex} \frac { 9 } { 13 } {/tex}

{tex} \frac { 10 } { 13 } {/tex}

E

None of these

Explanation

Q 9.

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Philip, Tom and Brad start jogging around a circular field and complete a single round in 18, 22 and 30 seconds respectively, In how much time, will they meet again at the starting point ?

A

3 min 15 sec

B

21 min

16 min 30 sec

D

12 min

E

None of these

Explanation

Q 10.

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Amit, Sucheta and Neeti start running around a circular track and complete one round in 18, 24 and 32 seconds respectively. In how many seconds will the three meet again at the starting point if they all have started running at the same time ?

A

196

288

C

324

D

Cannot be determined

E

None of these

Explanation

Q 11.

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The numbers 11284 and 7655, when divided by a certain number of three digits, leave the same remainder. Find that number of three digits.

A

161

B

171

C

181

191

E

None of these

Explanation

Q 12.

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The LCM of two numbers is 2079 and their HCF is 27. If one of the numbers is189, find the other.

A

273

B

279

297

D

307

E

None of these

Explanation

Q 13.

Correct1

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Find the greatest number of six digits which, on being divided by 6, 7, 8, 9 and 10, leaves 4, 5, 6, 7 and 8 as remainder respectively.

997918

B

997919

C

997914

D

997916

E

None of these

Explanation

Q 14.

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What greatest number can be subtracted from 10,000 so that the remainder may be divisible by 32, 36, 48 and 54 ?

9136

B

9191

C

9933

D

9216

E

None of these

Explanation

Q 15.

Correct1

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Find the least number which, when divided by 8, 12 and 16, leaves 3 as the remainder in each case; by 7 leaves no remainder.

A

145

147

C

148

D

157

E

None of these

Explanation

Q 16.

Correct1

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Find the greatest number that will divide 55, 127 and 175 so as to leave the same remainder in each case.

A

26

24

C

23

D

29

E

None of these

Explanation

Q 17.

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What least number should be added to 3500 to make it exactly divisible by 42, 49, 56 and 63?

A

10

B

18

C

25

28

E

None of these

Explanation

Q 18.

Correct1

Incorrect-0.25

Find the least number which, when divided by 72, 80 and 88, leaves the remainders 52, 60 and 68 respectively.

7900

B

7800

C

7200

D

7600

E

None of these

Explanation

Q 19.

Correct1

Incorrect-0.25

The HCF and LCM of two numbers are 44 and 264 respectively. If the first number is devided by 2, the quotient is 44. What is the other number?

A

108

B

44

C

124

132

E

None of these

Explanation

Q 20.

Correct1

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The product of two number is 2160 and their HCF is 12. Find the possible pairs of numbers.

A

1

2

C

3

D

4

E

None of these

Explanation

Q 21.

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Find the least number that, being increased by 8, is divisible by 32, 36 and 40.

1432

B

1492

C

1472

D

1570

E

None of these

Explanation

Q 22.

Correct1

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Three bells toll at intervals of 9, 12 and 15 minutes respectively. All the three begin to toll at 8 a.m. At what time will they toll together again?

A

8.45 a.m.

B

10. 30 a.m.

11.00 a.m.

D

1. 30 p.m.

E

None of these

Explanation

Q 23.

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Four metal rods of lengths 78 cm, 104 cm, 117 cm and 169 cm are to be cut into parts of equal length. Each part must be as long as possible. What is the maximum number of pieces that can be cut?

A

27

36

C

43

D

400

E

402

Explanation

Q 24.

Correct1

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In a morning walk, three persons step off together, their steps measure 80 cm, 85 cm and 90 cm respectively. What is the minimum distance each should walk so that they can cover the distance in complete steps?

122 m 40 cm

B

123 m 45 cm

C

122 m 45 cm

D

122 m 50 cm

E

None of these

Explanation

Q 25.

Correct1

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HCF of 3240, 3600 and a third number is 36 and their LCM is {tex} 2 ^ { 4 } \times 3 ^ { 5 } \times 5 ^ { 2 } \times 7 ^ { 2 } {/tex}. The third number is:

A

{tex} 2 ^ { 4 } \times 5 ^ { 3 } \times 7 ^ { 2 } {/tex}

{tex} 2 ^ { 2 } \times 3 ^ { 5 } \times 7 ^ { 2 } {/tex}

C

{tex} 2 ^ { 3 } \times 3 ^ { 5 } \times 7 ^ { 2 } {/tex}

D

{tex} 2 ^ { 5 } \times 5 ^ { 2 } \times 7 ^ { 2 } {/tex}

E

None of these

Explanation