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Questions 126–150 of 1,948 Mathematics MCQs — start at page 1 for an overview.

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Topics in Mathematics

Geometry and Mensuration · 234Percentages · 218Profit, Loss and Discount · 171Time and Work · 168Ratio, Proportion and Partnership · 137Simple and Compound Interest · 125Speed, Time and Distance · 113Number Theory, HCF and LCM · 105Algebra and Equations · 88Permutations, Combinations and Probability · 83Averages · 76
Showing 126-150 of 1948Deep Study (one question at a time, with progress saved) needs a free account.
126

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2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

Ali went to a shop to buy 50kg of rice. He buys two varieties of rice which cost him Rs. 4.5 per kg and Rs. 5 per kg. He spends a total of Rs. 240. What was the quantity of cheaper rice bought by him?

Correct answer: A

A
20kg
Correct
B
25kg
C
30kg
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

127

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2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

The difference of 1 9/16 and its reciprocal is:

Correct answer: D

A
1 1/15
B
1 1/13
C
15/16
D
None of these
Correct
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

128

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

A farmer divides his herd of cows among his four sons so that first son gets one half of the herd, the second son one-fourth, the third son one-fifth and the fourth son 7 cows. The total number of cows in the herd is:

Correct answer: B

A
100
B
140
Correct
C
180
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

129

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

√10 × √250 = ?

Correct answer: C

A
46.95
B
43.75
C
50
Correct
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

130

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

√0.4 = ?

Correct answer: C

A
0.2
B
0.02
C
0.632
Correct
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

131

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

√31684 = ?

Correct answer: C

A
108
B
172
C
178
Correct
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

132

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

A man has in all Rs. 640 in the denominations of one-rupee, five-rupee and ten-rupee notes. The number of each type of notes are equal. What is the total number of notes he has?

Correct answer: C

A
90
B
100
C
120
Correct
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

133

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

The average age of 3 friends is 23. Even if the age of the 4th friend is added, the average remains 23. What is the age of 4th friend?

Correct answer: B

A
21 years
B
23 years
Correct
C
32 years
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

134

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

-7m - [3n - {8m - (4n - 10m)}] = ?

Correct answer: D

A
11m - 5n
B
11n - 11m
C
11m - 7n
D
None of these
Correct
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

135

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

1 - [1 - {1 - (1 - 1 - 1)}] = ?

Correct answer: C

A
0
B
1
C
2
Correct
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

136

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

2567 ÷ 17 × 3 = ? + 180

Correct answer: C

A
73
B
271
C
273
Correct
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

137

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

254 × ? × 8 = 95504

Correct answer: A

A
47
Correct
B
49
C
51
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

138

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Practice MCQ

2019FIA Inspector Investigation Paper 2019 Batch 1
MathematicsFIA

If x/y = 1/3, then (x + y)/(x - y) = ?

Correct answer: C

A
-10/3
B
2/3
C
-2
Correct
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

139

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

The mean of 5 observation is 60, the mean of 10 observation. is 30 and the mean of 15 observations is 20. The mean of all 30 observation is:

Correct answer: C

A
20
B
15
C
30
Correct
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

140

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2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

What is the arithmetic mean of l and m when 1/l - 1/m=2/l and lm=q?

Correct answer: C

A
1/2
B
2
C
1+q/l
Correct
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

141

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

The average salary of three employees is Rs. 15000. If the salaries are in the ratio of 3:5:7. What is the lowest salary of the employees is:

Correct answer: A

A
Rs 9000
Correct
B
Rs 6000
C
Rs 12000
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

142

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

A boat travels with a speed of 100 km/h when going from initial point to destination. While the speed of the boat was 130 km/h when coming back from destination to initial point. What was the average speed in whole journey?

Correct answer: D

A
115 km/h
B
230 km/h
C
100 km/h
D
None of these
Correct
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

143

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

The average salary of all the workers in a restaurant is Rs.8000. The average salary of 7 cooks is Rs. 12000 and the average salary of the rest is Rs.6000. How many workers are there working in that restaurant?

Correct answer: D

A
21
B
18
C
25
D
None of these
Correct
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

144

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

What percent of 500 is G?

Correct answer: A

A
6/5
Correct
B
5/3 G
C
4G/5
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

145

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

If 1/1+1/1+x - 1/1+2x, then what is the value of x?

Correct answer: A

A
0
Correct
B
-1
C
1/2
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

146

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

If the ratio of males and female teachers in school is 5:6 and the total teachers are 33. How many more male teachers should be hired to make this ratio 1:1.

Correct answer: C

A
9
B
5
C
3
Correct
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

147

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

In an exam 65% candidates passed in Biology and 70% passed in Mathematics while 20% failed in both Biology and Mathematics. If 440 candidates passed in both the subjects, find the total number of students appeared in the test?

Correct answer: B

A
450
B
800
Correct
C
600
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

148

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

If q=5r-s, then what is the value of r in terms of q and s?

Correct answer: B

A
q-s/5
B
q+s/5
Correct
C
q/5+s
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

149

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

The ratio 7:13 expressed as a percent equals:

Correct answer: D

A
15%
B
52%
C
95%
D
None of these
Correct
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.

150

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Practice MCQ

2022FIA Inspector Investigation Paper 2022 Batch 3
MathematicsFIA

What would be the value of 3(x2+1/x2), if (x-1/x) X 9x-1/x)=10?

Correct answer: A

A
36
Correct
B
25
C
16
D
None of these
Explanation and memory cue

No explanation is available yet. Use the highlighted answer as your reference point and revisit this question later.