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Arithmetical Reasoning Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Arithmetical Reasoning. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - There are two baskets containing oranges. The first basket of oranges has 1/5 excess to as many oranges in second basket. If second basket has 4 oranges less than first basket, then the number of oranges in the 1st basket is
Options :
Answer : A
Explanation
Number of oranges in second basket = x, in first basket = x + x/5 = 5x/4 Hence, 5x/4 - x = 4X = 4. So option a is correct.
Q 2 - A college organised a function in which 1/3rd of boys and of girls are present. Total number of students present is
Options :
Answer : D
Explanation
Number of boys and number of girls are not given.
Q 3 - In between two file ends in the rack are six paper weights. If you decide to arrange the six paper weights in every possible combination and moved just one paper weight every minute, how long would it take to you?
Options :
Answer : A
Explanation
Clearly, we can get the answer by taking the factorial.
= 6! = 6 × 5 × 4 × 3 × 2 × 1 = 720.
So total time taken = 720 minutes = 12 hours.
Q 4 - Sabita and Ranjita are working for an MNC at the Petronas towers and to reach different floors of the same office, they use the elevators. Sabita gets on the lift at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time, Ranjita gets on an elevator at the 51st floor of the same building and rides down by 63 floors in every minute. The question is if these employees will continue to move at such rates, then at which floor will their paths cross
Options :
Answer : D
Explanation
Let path crossed after x minutes
11x + 57x = 51-63x
x = 1/3
Floor covered by Sabita in 1/3 min = 1/3 × 57=19
So path crossed = 11 + 19 = 30
Q 5 - Sureshs father on his birthday told Suresh that he was of his present age when Suresh was born. If Sureshs father is 36 now, then how old was Suresh five years ago?
Options :
Answer : B
Explanation
Let Sureshs fathers age be x and Sureshs age be y.
Then, x y = y or x = 2y
Now, x = 36. So, 2y = 36 or y = 18.
Therefore Sureshs present age = 18 years. So, Sureshs age 5 years ago = 13 years.
Q 6 - 16 men and 20 boys can do a piece of work in 30 days. In how many days, 15 men and 15 boys will take to finish the work?
Options :
Answer : A
Explanation
16 men = 20 boys
1 man = 5/4 boys
15 men = 75/4 boys
Total no of boys = 75/4 + 15 = 135/4
20 boys = 30 days
135/4 boys = 30 × 20 × 4 /135 = 17 7/9 days
Q 7 - If Abinashs age is 24 years 5 years ago. Then what will be his age 5 years after 4 years hence.
Options :
Answer : C
Explanation
Now Abinashs age is 29. 4 years hence it will be 33 and after 5 years it will be 38.
Q 8 - Rajdhani express runs from Bhubaneswar to Delhi. At some point during the journey it covers a distance in 50 min, if it runs at a speed of 48kmph on an average. The speed at which Rajdhani express must run to reduce the time of journey to 40min will be
Options :
Answer : B
Explanation
Time = 50/60hr = 5/6hr Speed = 48 kmph distance = S × T = 48 × 5/6 = 40 km time = 40/60hr = 2/3hr New speed = 40 × 3/2 kmph = 60kmph
Q 9 - Ten men can complete a construction job in 50 days. After 20 days 5 men left the job then in how many days the total work can be done?
Options :
Answer : D
Explanation
In 20 days 2/5 of the job will be done. And for 5 men the rest 3/5 of the job will be done in 60 days so job will be completed in 20 + 60 = 80 days.
Q 10 - Hari is twice the age of Shyam. Five years ago Shyams age was 12. What is Haris age now?
Options :
Answer : C
Explanation
Shyams age now is 12 + 5 = 17. Haris age will be 17 × 2 = 34.