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- Question
If x = ?8 - ?7, y = ?6 - ?5 and z = ?10 - 3, which of the following is true ?
Options- A. x > y < z
- B. x < y < z
- C. x > y > z
- D. z < x < y
- Correct Answer
- z < x < y
Explanationx = ?8 - ?7 = 1/(?8 + ?7) and y = ?6 - ?5 = 1/(?6 + ?5) and z = ?10 - 3 = 1/(?10 + 3)
As (?8 + ?7) > (?6 + ?5), (?8 - ?7) < (?6 - ?5)
As (?10 + 3) > (?8 + ?7) > (?6 + ?5)
z < x < y.
- 1. The sum of three numbers is 98. If the ratio of the first to the second is 2:3. And that of the second to the third is 5:8, then the second number is:
Options- A. 30
- B. 27
- C. 23
- D. 33 Discuss
- 2. O and O' are the center of the two circles with radii 7cm and 9cm respectively. The distance between the centers is 20cm. If PQ be the transverse common tangent to the circles, which cuts OO' at X, what is the length of O'X in cm ?
Options- A. 10
- B. 6
- C. 35/4
- D. 45/4 Discuss
- 3. Virus doubles every 3 mins. It is 'K' in 1 hour, when was it K/4 ?
Options- A. 29 min
- B. 25 min
- C. 54 min
- D. 57 min Discuss
- 4. If 200 cats kill 200 mice in 200 days, then 8 cats would kill 8 mice in how many days ?
Options- A. 8 days
- B. 200 days
- C. 800 days
- D. 1 day Discuss
- 5. 3 divided by 1/3?
Options- A. 1
- B. 0
- C. 9
- D. None Discuss
- 6. What is the value of 62 tens?
Options- A. 6
- B. 620
- C. 62
- D. 2 Discuss
- 7. How many joins require for 5 tables to join straight?
Options- A. 4
- B. 5
- C. 6
- D. 10 Discuss
- 8. There are n boxes and m fruits. If we put 3 fruits in each box 3 fruits will be excess. If we put 4 fruits in each box 1 box will be excess. Find number of boxes and fruits ?
Options- A. 3 & 9
- B. 6 & 19
- C. 7 & 24
- D. 5 & 18 Discuss
- 9. The arithmetic mean of the following numbers 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6 and 7, 7, 7, 7, 7, 7, 7 is ?
Options- A. 6
- B. 9
- C. 7
- D. 5 Discuss
- 10. Which statement best compares a line and a point?
Options- A. A point has no dimension and a line has one dimension.
- B. A line can have line segments on it whereas a point cannot be on any line segment.
- C. point is a location whereas a line has several planes located on it
- D. A line can lie on a plane whereas a point cannot lie on a plane. Discuss
Arithmetic Reasoning problems
Search Results
Correct Answer: 30
Explanation:
Then, A:B = 2:3 and B:C = 5:8
= (5 x 3/5) : (8 x 3/5) = 3:24/5
A:B:C = 2:3:24/5
= 10:15:24 => B = 98 x 15/49 = 30.
Correct Answer: 45/4
Explanation:
As clear from the figure itself, triangle OQX and triangle O'PX are similar.
So,
OQ/O'P = OX/O'X
=> OX = (7/9)xO'X
And since, OX + O'X = 20
=> (7/9)xO'X + O'X = 20
=> O'X = 45/4
Correct Answer: 54 min
Explanation:
If virus is K in 1hr i.e 60 min
then in 57 min it was K/2 as it doubles every 3 minutes
=> In 54 min it was K/4.
At 54 minutes it was K/4.
Correct Answer: 200 days
Explanation:
As given
200 cats kill 200 mice in 200 days
1 cats kill 1 mouse in 200 days
Then
8 cats kill 8 mice in 200 days.
Correct Answer: 9
Explanation:
3 divided by 1/3
=>
= 3 x 3/1
= 9
Correct Answer: 620
Explanation:
Here in the question it is asked that 62 tens, which implies ten times of 62.
=> 62 x 10 = 620.
Hence, the value of 62 tens = 620.
Correct Answer: 4
Explanation:
To join 5 tables we require 4 joins.
Correct Answer: 7 & 24
Explanation:
7 boxes & 24 Balls.
Let, n = No. of boxes ; m = No. of fruits
3n+3 = m---------->(1)
4(n-1)= m---------->(2)
=>4n-4 = 3n+3;
=>4n-3n = 4+3
n = 7
Put n=7 in eqn(1)
=> 3(7)+3 = m
21+3 = m
m = 24;
Number of boxes = 7 and fruits = 24
Correct Answer: 5
Explanation:
Arithmatic mean = sum/members
=> (1x1 + 2x2 + 3x3 + 4x4 + 5x5 + 6x6 + 7x7) / (1 + 2 + 3 + 4 + 5 + 6 + 7)
=> 140/28 = 5
Correct Answer: A point has no dimension and a line has one dimension.
Explanation:
A point has no dimension and a line has one dimension is the statement that best compares a line and a point.
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