Explore topic-wise MCQs in General Knowledge.

This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

3701.

The height of a triangle is 4 inches greater than twice its base. The area of the triangle is 168 square inches. What is the base of the triangle?

A. 12 in.
B. 14 in.
C. 8 in.
D. 7 in.
Answer» B. 14 in.
3702.

An object that is projected straight downward with initial velocity v feet per second travels a distance s=vt+16t2, where t =time in seconds.If Ramón is standing on a balcony 84 feet above the ground and throws a penny straight down with an initial velocity of 10 feet per second, in how many seconds will it reach the ground?

A. 6 seconds
B. 3 seconds
C. 8 seconds
D. 2 seconds
Answer» E.
3703.

How many times does the graph of y = 2x2-2x+3 intersect the x-axis?

A. one
B. two
C. three
D. none
Answer» E.
3704.

In chromite ore, the oxidation number of iron and chromium are respectively ______.

A. +3, +6
B. +3, +2
C. +2, +3
D. +2, +6
Answer» D. +2, +6
3705.

Which quadratic function, when graphed, has x-intercepts of 4 and -3?

A. y=(3x-1)(4x+1)
B. y=(3x+1)(8x-2)
C. y=(x+3)(2x-8)
D. y=(x-3)(x+4)
Answer» D. y=(x-3)(x+4)
3706.

Which statement best explains why there is no real solution to the quadratic equation 2x2+x+7=0 ?

A. The value of 1^2-4.2.7 i i is negative.
B. The value of 1^2-4.2.7 i i is equal to 0.
C. The value of 1^2-4.2.7 i i is positive.
D. The value of 1^2-4.2.7 i i is not a perfect square.
Answer» B. The value of 1^2-4.2.7 i i is equal to 0.
3707.

Toni is solving this equation by completing the square. ax2+bx+c =0 (where au003e=0) Step 1: ax2+bx=-c Step 2: x2+bx/a=-c/a Step 3:?Which should be Step 3 in the solution?

A. x2+(bx/a)+(b/2a)=-(c/a)+(b/2a)
B. x+(b/a)=-(c/ax)
C. x2=-(c/b)-(bx/a)
D. x2+(bx/a)+(b/2a)2=-(c/a)+(b/2a)2
Answer» E.
3708.

arter is solving this equation by factoring. 10x2-25x+15 =0 Which expression could be one of his correct factors?

A. 2x-3
B. 2x+3
C. x-3
D. x+3
Answer» B. 2x+3
3709.

Leanne correctly solved the equation x2+4x=6 by completing the square. Which equation is part of her solution?

A. (x+4) 2=10
B. (x+2)2=8
C. (x+2 )2=10
D. (x+4)2=22
Answer» D. (x+4)2=22
3710.

An electric current is passed through an aqueous solution of a mixture of alanine (isoelectric pointn6.0) glutamic acid (3.2) and arginine (10.7) buffered at pH 6. What is the fate of the three acids?

A. Glutamic acid migrates to anode at pH 6. Arginine is present as a cation and migrates to the cathode. Alanine in a dipolar ion remains uniformly distributed in solution
B. Glutamic acid migrates to cathode and others remain uniformly distributed in solution
C. All three remain uniformly distributed in solution
D. All three move to cathode
Answer» B. Glutamic acid migrates to cathode and others remain uniformly distributed in solution
3711.

Among the alkali metals cesium is the most reactive because____-

A. its incomplete shell is nearest to the nucleus
B. it has a single electron in the valence shell
C. it is the heaviest alkali metal
D. the outermost electron is more loosely bound than the outermost electron of the other alkali metals
Answer» E.
3712.

What are the solutions for the quadratic equation x2+6x=16?

A. (2,-8)
B. (2,8)
C. (-2,8 )
D. (-2, -8)
Answer» B. (2,8)
3713.

0.023 g of sodium metal is reacted with 100 cm3 of water. The pH of the resulting solution is ______.

A. 8
B. 10
C. 12
D. 9
Answer» D. 9
3714.

4 moles each of SO2 and O2 gases are allowed to react to form SO3 in a closed vessel. At equilibrium 25% of O2 is used up. The total number of moles of all the gases present at equilibrium is?

A. 6.5
B. 7.0
C. 8.0
D. 2.0
Answer» C. 8.0
3715.

The yellow precipitate formed during the chromyl chloride test is chemically _____.

A. lead chromate
B. chromic acid
C. sodium chromate
D. lead acetate
Answer» B. chromic acid
3716.

What quantity should be added to both sides of this equation to complete the square? x2-8x =5

A. 16
B. –16
C. –4
D. 4
Answer» B. –16
3717.

The value of (4.7 x 13.26+ 4.7 x 9.43+ 4.7 x 77.31) is ?

A. 0.47
B. 470
C. 47
D. 4700
Answer» C. 47
3718.

Evaluate : 31.004 – 17.2386

A. 12.7654
B. 13.7654
C. 14.7654
D. 15.7654
Answer» C. 14.7654
3719.

The value of (68.237)2 - (31.763)2 is?

A. 3.6474
B. 364.74
C. 36.474
D. 3647.4
Answer» E.
3720.

When .36 is written in simplest fractional form, the sum of the numerator and the denominator is?

A. 15
B. 114
C. 45
D. 135
Answer» B. 114
3721.

Evaluate : 6202.5 + 620.25+ 62.025+ 6.2025 +0.62025.

A. 6891.59775
B. 6691.59775
C. 6881.59775
D. 7891.59775
Answer» B. 6691.59775
3722.

If 213 x 16 = 3408, then 1.6 x 21.3 is equal to ?

A. 0.3408
B. 34.08
C. 3.408
D. 340.8
Answer» C. 3.408
3723.

What is the complete factorization of 32-8z2?

A. -8(2+z)2
B. -8(2+z)(2-z)
C. 8(2-z)2
D. 8(2+z)(2-z)
Answer» E.
3724.

Which is the factored form of 3a2-24ab+48b2=?

A. (3a-16 b)( a-3b)
B. 3(a-4b)( a-4b)
C. 3(a-8b)( a-8b)
D. (3a-8b)( a-6b)
Answer» C. 3(a-8b)( a-8b)
3725.

What will come in place of question mark in the following equation?54. (?) 3 543 5.43 = 603.26

A. 5
B. 8
C. 6
D. None of these
Answer» C. 6
3726.

892.7 - 573.07 - 95.007 = ?

A. 224.623
B. 233.523
C. 224.777
D. 414.637
Answer» B. 233.523
3727.

If x2 is added to x, the sum is 42. Which of the following could be the value of x?

A. –6
B. 14
C. 42
D. –7
Answer» E.
3728.

54.327 x 357.2 x 0.0057 is the same as?

A. 5.4327 x 3.572 x 5.7
B. 54327 x 3572 x 0.0000057
C. 5.4327 x 3.572 x 0.57
D. None of these
Answer» B. 54327 x 3572 x 0.0000057
3729.

If 1.125 x 10k = 0.001125, then the value of k is ?

A. -4
B. -2
C. -3
D. -1
Answer» D. -1
3730.

16.02 x 0.001 = ?

A. 0.001602
B. 0.1602
C. 0.01602
D. 1.6021
Answer» D. 1.6021
3731.

Which of the following shows 9t2+12t+4 factored completely?

A. (3t+4)(3t+1)
B. 9t2+12t+4
C. (3t+2)2
D. (9t+4)(t+1)
Answer» D. (9t+4)(t+1)
3732.

The value of (1 .1+ .01+ .001) is:

A. 1.001
B. 1.003
C. 1.011
D. 1.111
Answer» E.
3733.

The normality of 30 volume H2O2 is?

A. 2.678 N
B. 5.336 N
C. 8.034 N
D. 6.685 N
Answer» C. 8.034 N
3734.

The number of naturally occurring p-block elements that are diamagnetic is ______.

A. 6
B. 18
C. 7
D. 5
Answer» E.
3735.

Which is a factor of x2-11x+24?

A. x+4
B. x+3
C. x-3
D. x-4
Answer» D. x-4
3736.

The ozone layer forms naturally by______.

A. the interaction of CFC with oxygen
B. the interaction of UV radiation with oxygen
C. the interaction of IR radiation with oxygen
D. the interaction of oxygen and water vapour
Answer» C. the interaction of IR radiation with oxygen
3737.

Which of the following expressions is equal to (x+2)+(x-2)(2x+1)?

A. 2x2-4x
B. 2x2+x
C. 4x2+2x
D. 2x2-2x
Answer» E.
3738.

The sp3d2 hybridization of central atom of a molecule would lead to?

A. square planar geometry
B. Tetrahedral geometry
C. Trigonal bipyramidal geometry
D. Octahedral geometry
Answer» E.
3739.

The reagent with which both acetaldehyde and acetone react is?

A. I2/NaOH
B. Fehling's reaction
C. Carbonic acid
D. Tollen's reagent
Answer» B. Fehling's reaction
3740.

Consider the following quotients:1. 368.39 divided by 17 2. 170.50 divided by 62 3. 875.65 divided by 83Their correct sequence in decreasing order is:

A. 1, 3, 2
B. 2, 3, 1
C. 2, 1, 3
D. 3, 1, 2
Answer» B. 2, 3, 1
3741.

A volleyball court is shaped like a rectangle. It has a width of x meters and a length of 2x meters. Which expression gives the area of the court in square meters?

A. 2x2
B. 3x2
C. 2x3
D. 3x
Answer» B. 3x2
3742.

3 x 0.3 x 0.03 x 0.003 x 30 = ?

A. 0.0000243
B. 0.00243
C. 0.000243
D. 0.0243
Answer» C. 0.000243
3743.

The sum of two binomials is 5x2-6x. If one of the binomials is 3x2-2x, what is the other binomial?

A. 8x2+4x
B. 2x2-4x
C. 8x2-8x
D. 2x2-8x
Answer» C. 8x2-8x
3744.

138.009 + 341.981 - 146.305 = 123.6+ ?

A. 120.085
B. 220.085
C. None of these
D. 220.085
Answer» B. 220.085
3745.

(4x2-2x+8)-(x2+3x-2)=?

A. 3x2-5x+10
B. 3x2+x+6
C. 3x2+x+10
D. 3x2-5x+6
Answer» B. 3x2+x+6
3746.

Marcy has a total of 100 dimes and quarters. If the total value of the coins is $14.05, how many quarters does she have?

A. 40
B. 56
C. 73
D. 27
Answer» E.
3747.

Which of the following best describes the graph of this system of equations? y=-2x+3 5y=-10x+15

A. two identical lines
B. two lines intersecting in only two points
C. two identical lines
D. two lines intersecting in only one point
Answer» D. two lines intersecting in only one point
3748.

The price of commodity X increases by 40 paise every year, while the price pf commodity Y increases by 15 paise every year. If in 2001, the price of commodity X was Rs. 4.20 and that of Y was Rs. 6.30, in which year commodity X will cost 40 paise more than the commodity Y?

A. 2010
B. 2012
C. 2011
D. 2013
Answer» D. 2013
3749.

617+ 6.017 +0.617+ 6.0017 = ?

A. 6.2963
B. 629.6357
C. 62.965
D. None of these
Answer» C. 62.965
3750.

When a mixture of calcium benzoate and calcium acetate is dry distilled, the resulting compound is____.

A. acetophenone
B. benzaldehyde
C. benzophenone
D. acetaldehyde
Answer» B. benzaldehyde