Category: Arithmetic Mcqs

The mean marks of 30 students in a class is 58.5. Later on it was found that 75 was wrongly recorded as 57. Find the correct them.

Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 21/08/2021

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A. 57.4
B. 57.5
C. 58.9
D. 59.1
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The average salary per head of the entire staff of an office including the officers and clerks is Rs.90. The average salary of officers is Rs.600 and that of the clerks is Rs.84. If the number of officers is 2, find the number of officers in the office?

Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 16/08/2021

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A. 1540
B. 960
C. 840
D. 1020

The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is____________?

Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 15/08/2021

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A. 11 years
B. 14 years
C. 15 years
D. 15 2/7 years
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The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 30/07/2021

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A. 0
B. 1
C. 10
D. 19
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The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is___________?

Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 15/07/2021

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A. 17 kg
B. 20 kg
C. 26 kg
D. 31 kg
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The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is__________?

Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 04/07/2021

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A. 25
B. 27
C. 30
D. 35
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The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?

Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 26/06/2021

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A. 36 years
B. 24 years
C. 30 years
D. 18 years
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In an examination a pupil’s average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination?

Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 26/06/2021

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A. 8
B. 9
C. 10
D. 11
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The average age of a husband and a wife is 23 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child?

Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 17/06/2021

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A. 1 year
B. 2 years
C. 3 years
D. 4 years
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The average age of a husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is___________?

Hamad Arithmetic Mcqs Average Mcqs Basic Maths Mcqs 12/06/2021

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A. 19 years
B. 23 years
C. 28.5 years
D. 29.3 years
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