Mathematics (1–50)
If (2x + 5 = 17), find (x).
A) 5 B) 6 C) 7 D) 8
Answers: B
The value of ( \sqrt{144} ) is:
A) 10 B) 11 C) 12 D) 14
Answers: C
If the ratio of two numbers is 3:4 and their sum is 28, the numbers are:
A) 12,16 B) 14,14 C) 10,18 D) 8,20
Answers: A
The LCM of 12 and 18 is:
A) 24 B) 30 C) 36 D) 48
Answers: C
The HCF of 24 and 36 is:
A) 6 B) 8 C) 12 D) 18
Answers: C
If (x^2 = 49), then (x) equals:
A) 7 B) -7 C) ±7 D) 14
Answers: C
Area of a circle with radius 7 cm:
A) 154 B) 144 C) 164 D) 174
Answers: A
Simple Interest on ₹1000 at 10% for 2 years:
A) 100 B) 200 C) 300 D) 400
Answers: B
25% of 240 is:
A) 50 B) 55 C) 60 D) 65
Answers: C
Perimeter of a rectangle (l=8, b=6):
A) 24 B) 26 C) 28 D) 30
Answers: C
The value of (3^3):
A) 6 B) 9 C) 18 D) 27
Answers: D
If (5x = 45), find (x).
A) 7 B) 8 C) 9 D) 10
Answers: C
Convert 0.75 into fraction:
A) 3/4 B) 2/3 C) 4/5 D) 5/6
Answers: A
The average of 4, 8, 12 is:
A) 6 B) 8 C) 10 D) 12
Answers: B
A train travels 60 km in 1 hour. Speed is:
A) 50 B) 60 C) 70 D) 80
Answers: B
Value of ( \sin 90^\circ ):
A) 0 B) 1 C) -1 D) 1/2
Answers: B
If cost price = 500, selling price = 550, profit%:
A) 5% B) 8% C) 10% D) 12%
Answers: C
( (a+b)^2 = )
A) (a^2+b^2) B) (a^2+2ab+b^2) C) (a^2-ab+b^2) D) (2ab)
Answers: B
Cube of 4:
A) 16 B) 64 C) 32 D) 48
Answers: B
If 20% of x = 40, x = ?
A) 150 B) 180 C) 200 D) 220
Answers: C
Sum of first 10 natural numbers:
A) 45 B) 50 C) 55 D) 60
Answers: C
( \tan 45^\circ ) equals:
A) 0 B) 1 C) -1 D) √3
Answers: B
Diagonal of square with side 10:
A) 10√2 B) 20 C) 15 D) 12
Answers: A
If 3 pens cost ₹45, cost of 1 pen:
A) 10 B) 12 C) 15 D) 18
Answers: C
Probability of getting head in a coin toss:
A) 0 B) 1 C) 1/2 D) 2
Answers: C
Solve: (x/5 = 7)
A) 30 B) 35 C) 40 D) 45
Answers: B
Value of ( \log_{10} 100 ):
A) 1 B) 2 C) 10 D) 100
Answers: B
If 2:3 = x:12, x = ?
A) 6 B) 8 C) 9 D) 10
Answers: B
Surface area of cube side 4:
A) 64 B) 96 C) 128 D) 144
Answers: B
A number divisible by both 3 and 5:
A) 15 B) 18 C) 20 D) 22
Answers: A
Value of (5!):
A) 25 B) 60 C) 100 D) 120
Answers: D
If a triangle has sides 3,4,5 it is:
A) Equilateral B) Isosceles C) Right-angled D) Obtuse
Answers: C
Volume of cube side 3:
A) 9 B) 18 C) 27 D) 36
Answers: C
Mean of first 5 even numbers:
A) 5 B) 6 C) 7 D) 8
Answers: B
Convert 2 km into meters:
A) 200 B) 2000 C) 20,000 D) 200,000
Answers: B
If 7x = 63, x = ?
A) 7 B) 8 C) 9 D) 10
Answers: C
Value of ( \cos 0^\circ ):
A) 0 B) 1 C) -1 D) 1/2
Answers: B
If CP=400, SP=360, loss%:
A) 5% B) 8% C) 10% D) 12%
Answers: C
The next prime after 7:
A) 9 B) 10 C) 11 D) 13
Answers: C
If a:b = 4:5 and b=20, a=?
A) 12 B) 14 C) 16 D) 18
Answers: C
30% of 500:
A) 120 B) 130 C) 150 D) 180
Answers: C
Value of ( \sqrt{81} ):
A) 7 B) 8 C) 9 D) 10
Answers: C
Area of triangle base 10, height 5:
A) 20 B) 25 C) 30 D) 35
Answers: B
Convert 3/5 into decimal:
A) 0.5 B) 0.6 C) 0.7 D) 0.8
Answers: B
Solve: (2x-4=10)
A) 6 B) 7 C) 8 D) 9
Answers: B
A number divisible by 9 must have digit sum:
A) Even B) Odd C) Multiple of 9 D) Prime
Answers: C
If radius doubles, area becomes:
A) Same B) Double C) Triple D) Four times
Answers: D
Value of ( \sin 30^\circ ):
A) 1 B) 1/2 C) √3/2 D) 0
Answers: B
The median of 3,5,7,9,11:
A) 5 B) 7 C) 9 D) 11
Answers: B
If 10 workers do a job in 5 days, 5 workers will take:
A) 8 B) 10 C) 12 D) 15
Answers: B
Capital of India:
A) Mumbai B) Delhi C) Chennai D) Kolkata
Answers: B
Largest planet:
A) Earth B) Mars C) Jupiter D) Saturn
Answers: C
Author of Discovery of India:
A) Gandhi B) Nehru C) Tagore D) Bose
Answers: B
Red Planet:
A) Venus B) Mars C) Mercury D) Pluto
Answers: B
National animal of India:
A) Lion B) Tiger C) Elephant D) Leopard
Answers: B
Water boils at:
A) 90°C B) 95°C C) 100°C D) 105°C
Answers: C
Currency of Japan:
A) Yuan B) Yen C) Dollar D) Peso
Answers: B
Largest ocean:
A) Indian B) Pacific C) Atlantic D) Arctic
Answers: B
First President of India:
A) Nehru B) Rajendra Prasad C) Patel D) Kalam
Answers: B
Photosynthesis occurs in:
A) Roots B) Leaves C) Stem D) Flower
Answers: B
Gas essential for breathing:
A) Nitrogen B) Oxygen C) Hydrogen D) Carbon
Answers: B
Taj Mahal is in:
A) Delhi B) Agra C) Jaipur D) Lucknow
Answers: B
Smallest state of India (area):
A) Sikkim B) Goa C) Tripura D) Manipur
Answers: B
Father of the Nation:
A) Nehru B) Bose C) Gandhi D) Patel
Answers: C
Planet nearest to sun:
A) Venus B) Earth C) Mercury D) Mars
Answers: C
SI unit of force:
A) Joule B) Watt C) Newton D) Pascal
Answers: C
Who invented the light bulb:
A) Newton B) Edison C) Tesla D) Bell
Answers: B
Indian national bird:
A) Sparrow B) Peacock C) Crow D) Parrot
Answers: B
Chemical symbol of Gold:
A) Ag B) Au C) Gd D) Go
Answers: B
Largest desert:
A) Sahara B) Thar C) Gobi D) Kalahari
Answers: A
Who wrote the National Anthem:
A) Bankim B) Tagore C) Gandhi D) Nehru
Answers: B
Currency of USA:
A) Peso B) Euro C) Dollar D) Pound
Answers: C
First Prime Minister of India:
A) Gandhi B) Nehru C) Patel D) Bose
Answers: B
Human heart has chambers:
A) 2 B) 3 C) 4 D) 5
Answers: C
Hardest natural substance:
A) Gold B) Iron C) Diamond D) Silver
Answers: C
Largest continent:
A) Africa B) Asia C) Europe D) America
Answers: B
River Ganga originates from:
A) Yamunotri B) Gangotri C) Kedarnath D) Badrinath
Answers: B
Which organ purifies blood:
A) Heart B) Liver C) Kidney D) Lungs
Answers: C
Currency of UK:
A) Euro B) Pound C) Dollar D) Yen
Answers: B
Who discovered gravity:
A) Einstein B) Newton C) Galileo D) Edison
Answers: B
Longest river in world:
A) Amazon B) Nile C) Yangtze D) Mississippi
Answers: B
National flower of India:
A) Rose B) Lotus C) Lily D) Sunflower
Answers: B
Largest mammal:
A) Elephant B) Blue Whale C) Giraffe D) Whale Shark
Answers: B
How many players in a cricket team:
A) 9 B) 10 C) 11 D) 12
Answers: C
Vitamin from sunlight:
A) A B) B C) C D) D
Answers: D
Capital of France:
A) Rome B) Paris C) Berlin D) Madrid
Answers: B
Shape of Earth:
A) Flat B) Round C) Oval D) Geoid
Answers: D
Who is known as Missile Man of India:
A) Kalam B) Nehru C) Bose D) Gandhi
Answers: A
Largest bone in body:
A) Skull B) Femur C) Rib D) Spine
Answers: B
Chemical formula of water:
A) CO₂ B) H₂O C) O₂ D) H₂
Answers: B
Which festival is festival of lights:
A) Holi B) Eid C) Diwali D) Pongal
Answers: C
First satellite of India:
A) Aryabhata B) Rohini C) PSLV D) INSAT
Answers: A
Largest state of India (area):
A) MP B) UP C) Rajasthan D) Maharashtra
Answers: C
Blood group universal donor:
A) A B) B C) AB D) O
Answers: D
Which gas causes global warming:
A) Oxygen B) Nitrogen C) CO₂ D) Helium
Answers: C
Who wrote Ramayana:
A) Valmiki B) Tulsidas C) Ved Vyas D) Kalidas
Answers: A
Largest island:
A) Greenland B) Madagascar C) Sri Lanka D) Borneo
Answers: A
Unit of electric current:
A) Volt B) Ampere C) Ohm D) Watt
Answers: B
Who discovered penicillin:
A) Fleming B) Curie C) Newton D) Pasteur
Answers: A
National sport of India (traditional):
A) Cricket B) Hockey C) Kabaddi D) Football
Answers: B