EASY
Earn 100

Study the following information and answer the question:

A€B means "A is neither smaller than nor equal to B"
A&B means "A is not smaller than B"
A¥B means "A is neither smaller than nor greater than B"
A₩B means "A is neither greater than nor equal to B"
A$B means "A is not greater than B

Statement:

I¥J&K; KL$QR¥S

Conclusion:

I. I&R II. IR III. LI

50% studentsanswered this correctly

Important Questions on Mathematical Operations

EASY

In the following question choose the correct alternative assuming α stands for =β stands for >γ stands for < and δ stands for .

If a2xαbyz, czxαb2y and c2zαaxy, then

HARD

In a coded language, the mathematical operators have been placed in clock. The position of operator is the position of minute hand. The coding is as follows '+' at 7:25, '×' at 5:15, '÷' at 9:00, '<' at 10:55, '>' at 3:30, '=' at 1:05, '-' at 11:25. If positions of '+', '', '×', '÷', '<', '>', '=' changed by rotation of angle 30°, 60°, 90°, 120°, 150°, 180°, 210° in the clockwise and anti-clockwise alternatively, then which of the following is correct statement?

EASY
A, B, C and D are four buildings. A is higher than only DB is shorter than C but higher than A. Which is the highest building?
MEDIUM

In the following question choose the correct alternative assuming α stands for =β stands for >γ stands for < and δ stands for .

If axγby, bxαcz and b2αac then

MEDIUM

In the given below question substitutes for various mathematical symbols, followed by a question involving the calculation of an expression is given. Put the real signs in the given equations and solve the question.

If + means ÷÷ means -- means ×× means +, then

64×8÷6-4×2=?  

EASY

In the following question choose the correct alternative assuming α stands for =β stands for >γ stands for < and δ stands for .

If 6xα5y and 2yβ3z, then 

MEDIUM

When - & =, 60 & 20 are interchanged, find which one of the following equations will be correct?

MEDIUM

Follow the instruction and choose the correct option.

If Δ means >, means <, means = and # means and AB , C Δ D as well as DA, then which of the following is true?

HARD
If a,b,c,d, and e are positive numbers, and it is given that, a+b=c+d, b+d=2a, d+e>a+b and c+d>a+e then, which of the following statement is true?
EASY

In this question, '' means "Greater than"  means "Less than",'ϕ'  means "equal to"  means "not equal to"
If CA, AB, DϕB and BC, then choose the correct option in the following

MEDIUM

In the following question choose the correct alternative assuming α stands for =β stands for >γ stands for < and δ stands for .

If abxyαc2z, bxβay and b2αac, then

MEDIUM

To get the correct equation, choose which set of signs from the given alternatives to be substituted sequentially in place of *

13 * 4 * 5 * 12 * 6

HARD

If 

'+' implies 'go'

'-' implies 'to'

'×' implies 'walk'

'=' implies 'early'

'<' implies 'before'

'>' implies 'Sun'

'÷' implies 'rise'

then, identify the correct expression:

MEDIUM

In the following question choose the correct alternative assuming α stands for =β stands for >γ stands for < and δ stands for .

If bcyγax, cyαbz and a2γbc, then
MEDIUM

A clock is so placed that at 12 Noon its minute hand points towards West. The mathematical operators have been placed at the minute hand position at particular time given below:

'<' at fifteen minutes before noon
'=' at ten minutes past two
'>' at half past six
'×' at twenty minutes past seven
'+' at quarter past eight
'-' at nine o’ clock
'+' at five minutes to ten

Which is the correct mathematical expression based on above information?

MEDIUM

To get the correct equation, choose which set of signs from the given alternatives to be substituted sequentially in place of *

15 * 3 * 5 * 16 * 41

MEDIUM
If 1!9=20, 9!5=28 and  5!5=20, then find the value of 7!3=?
EASY
In these questions, the relationship between different elements is shown in the statements. These statements are followed by two conclusions.

Statement: A>B>C, D>E>F, D>C
Conclusions:
I. E>C
II. F>B
EASY
Directions- In each of the following questions the symbols α, β, γ, δ and Q have been used having their meaning as-
M α N means M is greater than N.
M β N means M is smaller thanN.
M γ N means M is not greater than N.
M δ N means M is not smaller than N.
M Q N means M is equal to N.
Assuming the statement given in each of the following questions as true, deduce, which of the given five alternatives is definitely true ?

Statement: 4C δ 3A, B α C
MEDIUM
In these questions the symbols %, ©, ^, @ and # are used with different meanings as follows:
A % B means A is not greater than B.
A © B means A is neither greater than nor equal to B.
A ^ B means A is not smaller than B.
A @ B means A is neither smaller than nor equal to B.
A # B means A is neither greater than nor smaller than B.
Now in each of the following questions assuming the given statements to be true, find out which of the conclusions I, II, III given below them is/are definitely true and mark your answer accordingly.

Statements:
A @ B, B # C, C % D, D © F
Conclusions:
I. C © A
II. F @ C
III. A @ D