Numbers

Quantitative Aptitude

Page 3 of 4 • 31 total questions

Quantitative Aptitude • Numbers
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What is the unit digit of 7^123?

A

1

B

3

C

7

D

9

Quantitative Aptitude • Numbers
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If 40% of a number is 120, what is 75% of that number?

A

225

B

250

C

275

D

300

Quantitative Aptitude • Numbers
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The average of five consecutive odd numbers is 35. What is the largest number?

A

37

B

39

C

41

D

43

Quantitative Aptitude • Numbers
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The sum of three consecutive even numbers is 84. What is the middle number?

A

26

B

28

C

30

D

32

Quantitative Aptitude • Numbers
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How many 3-digit numbers are divisible by 7?

A

128

B

142

C

127

D

129

Quantitative Aptitude • Numbers
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A number when divided by 6, 9, 12, 15 leaves remainder 3 in each case. What is the smallest such number?

A

183

B

63

C

123

D

243

Quantitative Aptitude • Numbers
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If the sum of a number and its reciprocal is 2, what is the number?

A

1

B

2

C

0

D

-1

Quantitative Aptitude • Numbers
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The product of two numbers is 4107. If their HCF is 37, what is the greater number?

A

111

B

37

C

107

D

139

Quantitative Aptitude • Numbers
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If a number is multiplied by 3/4 instead of 4/3, what is the percentage error in the calculation?

A

43.75%

B

56.25%

C

58.33%

D

65.25%

Quantitative Aptitude • Numbers
1 markView Details

The sum of first 45 natural numbers is subtracted from the sum of first 50 natural numbers. What is the result?

A

240

B

275

C

280

D

285

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