Showing:
Class 9 / Reasoning (167 questions)
-
by GIANSH GUPTA KHUNDKER
· Class 9
What is logic???????????????
Reasoning
Logical
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
What are mathematical operations?????
Reasoning
Mathematical Operations
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
Four professionals—a Doctor, Lawyer, Engineer, and Architect—sit around a square table, one on each side.
1. The Doctor sits directly opposite to Mr. Sharma.
2. The Lawyer sits to the immediate right of Mr. Verma.
3. Mr. Gupta sits directly opposite to Mr. Chawla.
4. The Architect is to the immediate left of Mr. Chawla.
What is the profession of Mr. Sharma?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
Three students—Aryan, Bhavna, and Charan—are suspected of breaking a window. One of them always tells the truth, one always lies, and one alternates between truth and lies. They make the following statements:
• Aryan: Charan broke the window. I am a truth-teller.
• Bhavna: Aryan is lying. Charan did not break it.
• Charan: I didn't do it. Bhavna is the one who always lies.
Who actually broke the window?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
If the 3rd day of a month is Monday, which of the following will be the fifth day after the 21st day of that same month?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
Consider the following pseudo-algorithm used to compute a value:
1. Start with X = 5, Y = 2, Z = 0.
2. Loop start: If X > 0:
• Z = Z + Y
• X = X - 1
• Go back to Loop start.
3. If X is not greater than 0, print Z.
What value is printed at the end of execution?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
What is the area of the triangle formed by the vertices (0, 0), (6, 0), and (4, 5) in the Cartesian plane?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
A solid metallic sphere of radius 6 cm is melted down and completely recast into small, identical solid cones. Each small cone has a base radius of 2 cm and a vertical height of 3 cm. How many such cones can be formed without any wastage of metal?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
At a regional mathematics conference, there are 12 students. Every student shakes hands with every other student exactly once, except for two students who refuse to shake hands with each other at all. What is the total number of handshakes that take place?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
A point P(x, y) is first reflected across the x-axis to form point Q. Point Q is then shifted 3 units horizontally to the left and 2 units vertically upwards to land exactly at the coordinates (-5, 7). What were the coordinates of the original point P?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
Two standard six-sided dice are rolled simultaneously. What is the probability that the product of the two numbers showing face up is a perfect square?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
What is the units digit of the massive exponential expansion given by the expression: 7²⁰²⁶ + 3²⁰²⁶?
Reasoning
Number
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
In a test matching Olympiad scoring rules, 4 marks are awarded for every correct answer and 1 mark is deducted for every wrong answer. Rohit answered all 60 questions in the test and scored a net total of 130 marks. How many questions did he answer correctly?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
Four distinct keys are placed randomly on a circular key ring. What is the probability that two specific keys (Key A and Key B) always remain next to each other?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
Statements:
1. All squares are rectangles.
2. All rectangles are polygons.
Conclusions:
• I. Multi-sided polygons are necessarily squares.
• II. Every square is a polygon.
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
Question: What is the present age of Arav?
Statements:
• I. Arav's present age is three times the age of his younger sister Manya.
• II. Four years from now, Arav will be twice as old as Manya will be then.
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
Statements:
1. All scientists are visionaries.
2. Some visionaries are innovators.
3. No innovator is an imitator.
Conclusions:
• I. Some scientists are innovators.
• II. No imitator is a visionary.
• III. Some visionaries are scientists.
Reasoning
Logical
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
A square sheet of paper is folded twice along the diagonals to form a small triangle. Then a small triangular notch is punched out of the centre and a circular hole is punched near one corner. When the paper is completely unfolded, what will the pattern look like?
Reasoning
Paper Folding and Paper Cutting
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
A man leaves for his office from his house. He walks 5 km towards the East, then turns South and walks 3 km. Again, he turns East and walks 4 km. Finally, he turns North and walks 15 km to reach his office. What is the shortest straight-line distance between his house and his office?
Reasoning
Direction Sense Test
thumb_up 0
people 0 answers
check_circle 0%
-
by GIANSH GUPTA KHUNDKER
· Class 9
Venn Diagrams
Which of the following Venn diagrams best represents the relationship among: Engineers, Doctors, and Professionals?
Reasoning
Other
thumb_up 0
people 0 answers
check_circle 0%