id
int64
1
735k
topic
stringclasses
11 values
difficulty
stringclasses
2 values
question
stringlengths
12
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answer
stringlengths
1
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reasoning
stringlengths
20
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stringclasses
19 values
733,201
algebra
medium
Solve for x: x^2 - 10x + 16 = 0
x = 2, 8
Factor: (x - 2)(x - 8) = x^2 -(10)x + 16 = 0. So x = 2 or 8. Check sum = 10, product = 16.
quadratic
733,202
calculus
medium
What is the derivative of 7x^4 with respect to x?
28x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^4] = 7*4*x^3 = 28x^3.
derivative
733,203
roots
easy
What is the square root of 2116?
46
Find number that when squared gives 2116. 46*46=2116, so sqrt(2116)=46.
square_roots
733,204
arithmetic
easy
What is 43409 divided by 90? Give answer to 2 decimal places.
482.32
Calculate 43409/ 90 = 482.3222, rounded to 2 decimals is 482.32.
division
733,205
algebra
medium
Solve for x: x^2 - 3x - 40 = 0
x = -5, 8
Factor: (x - -5)(x - 8) = x^2 -(3)x + -40 = 0. So x = -5 or 8. Check sum = 3, product = -40.
quadratic
733,206
geometry
easy
Find the perimeter of a rectangle with length 96 and width 42.
276
Perimeter = 2*(length+width) = 2*(96+42) = 2*138 = 276.
rectangle_perim
733,207
number_theory
medium
What is the GCD (greatest common divisor) of 65 and 80?
5
Find greatest number dividing both 65 and 80. Divisors common, greatest is 5.
gcd
733,208
arithmetic
easy
What is 622 + 528 * 55? Remember order of operations.
29662
Order of operations (PEMDAS): first 528*55=29040, then 622+29040=29662.
basic_operations
733,209
number_theory
medium
What is the GCD (greatest common divisor) of 17 and 98?
1
Find greatest number dividing both 17 and 98. Divisors common, greatest is 1.
gcd
733,210
algebra
easy
Solve for x: 8x + 34 = -110
-18
Subtract 34 from both sides: 8x = -110-34=-144. Then divide by 8: x = -144/8 = -18.
linear_equation
733,211
arithmetic
easy
What is 989 - 499?
490
Subtract: 989 - 499 = 490.
basic_operations
733,212
algebra
medium
Solve for x: x^2 + 9x + 8 = 0
x = -8, -1
Factor: (x - -8)(x - -1) = x^2 -(-9)x + 8 = 0. So x = -8 or -1. Check sum = -9, product = 8.
quadratic
733,213
calculus
medium
What is the indefinite integral of x^7 dx?
x^8/8 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^7 = x^8/8 + C.
integral
733,214
arithmetic
easy
What is 611 + 32 * 58? Remember order of operations.
2467
Order of operations (PEMDAS): first 32*58=1856, then 611+1856=2467.
basic_operations
733,215
fractions
medium
What is 19/15 * 6/5? Give as simplified fraction.
38/25
Multiply numerators: 19*6=114. Denominators: 15*5=75. Simplify by gcd 3 to get 38/25.
fraction_operations
733,216
fractions
medium
What is 11/3 + 4/3? Give as simplified fraction.
5
Common denominator 3*3=9. 11/3=33/9, 4/3=12/9. Sum = 45/9 = 5 simplified.
fraction_operations
733,217
geometry
easy
Find the circumference of a circle with radius 14. Use pi=3.14159, round to 2 decimals.
87.96
Circumference = 2*pi*r = 2*3.14159*14 = 87.96.
circle_circum
733,218
algebra
medium
Solve for x: x^2 + 12x + 36 = 0
x = -6
Factor as (x - -6)^2 = 0, so root is -6 (double root). Sum of roots = -12, product = 36.
quadratic
733,219
geometry
easy
Find the area of a triangle with base 37 and height 24.
444
Area = 0.5*base*height = 0.5*37*24 = 444.
triangle_area
733,220
algebra
easy
Solve for x: 13x - 21 = -86
-5
Add 21 to both sides: 13x = -86+21=-65. Then x = -65/13 = -5.
linear_equation
733,221
number_theory
medium
What is the LCM (least common multiple) of 52 and 32?
416
LCM = |52*32| / GCD(52,32). GCD=4, so LCM=1664/4=416.
lcm
733,222
percentages
easy
What is 83% of 143?
118.69
Calculate 83/100 * 143 = 0.83*143 = 118.69.
percentages
733,223
word_problems
easy
If you have 79 dollars and you buy 28 more dollars, how many dollars do you have in total?
107
Add initial 79 plus bought 28: 79+28=107.
addition_word
733,224
number_theory
medium
What is the GCD (greatest common divisor) of 58 and 32?
2
Find greatest number dividing both 58 and 32. Divisors common, greatest is 2.
gcd
733,225
arithmetic
easy
What is 5170 / 55?
94
Divide: 5170 ÷ 55 = 94 because 55*94=5170.
division
733,226
geometry
easy
Find the perimeter of a rectangle with length 50 and width 68.
236
Perimeter = 2*(length+width) = 2*(50+68) = 2*118 = 236.
rectangle_perim
733,227
arithmetic
easy
What is 815 + 930?
1745
Add the two numbers: 815 + 930 = 1745.
basic_operations
733,228
calculus
medium
What is the derivative of 8x^2 with respect to x?
16x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^2] = 8*2*x^1 = 16x.
derivative
733,229
geometry
easy
Find the area of a triangle with base 36 and height 54.
972
Area = 0.5*base*height = 0.5*36*54 = 972.
triangle_area
733,230
arithmetic
easy
What is 39 + 15 * 13? Remember order of operations.
234
Order of operations (PEMDAS): first 15*13=195, then 39+195=234.
basic_operations
733,231
geometry
easy
Find the area of a rectangle with length 60 and width 88.
5280
Area = length * width = 60*88 = 5280.
rectangle_area
733,232
arithmetic
easy
What is 968 + 359?
1327
Add the two numbers: 968 + 359 = 1327.
basic_operations
733,233
algebra
medium
Solve for x: x^2 - 14x + 45 = 0
x = 5, 9
Factor: (x - 5)(x - 9) = x^2 -(14)x + 45 = 0. So x = 5 or 9. Check sum = 14, product = 45.
quadratic
733,234
number_theory
medium
What is the GCD (greatest common divisor) of 49 and 5?
1
Find greatest number dividing both 49 and 5. Divisors common, greatest is 1.
gcd
733,235
algebra
medium
Solve for x: x^2 + 16x + 63 = 0
x = -7, -9
Factor: (x - -7)(x - -9) = x^2 -(-16)x + 63 = 0. So x = -7 or -9. Check sum = -16, product = 63.
quadratic
733,236
fractions
medium
What is 11/20 + 16/3? Give as simplified fraction.
353/60
Common denominator 20*3=60. 11/20=33/60, 16/3=320/60. Sum = 353/60 = 353/60 simplified.
fraction_operations
733,237
arithmetic
easy
What is 586 - 302?
284
Subtract: 586 - 302 = 284.
basic_operations
733,238
arithmetic
easy
What is 527 + 500 * 91? Remember order of operations.
46027
Order of operations (PEMDAS): first 500*91=45500, then 527+45500=46027.
basic_operations
733,239
algebra
medium
Solve for x: x^2 - 10x + 9 = 0
x = 1, 9
Factor: (x - 1)(x - 9) = x^2 -(10)x + 9 = 0. So x = 1 or 9. Check sum = 10, product = 9.
quadratic
733,240
arithmetic
easy
What is 984 + 21?
1005
Add the two numbers: 984 + 21 = 1005.
basic_operations
733,241
algebra
medium
Solve for x: x^2 - 3x = 0
x = 3, 0
Factor: (x - 3)(x - 0) = x^2 -(3)x + 0 = 0. So x = 3 or 0. Check sum = 3, product = 0.
quadratic
733,242
arithmetic
easy
What is 523 - 461?
62
Subtract: 523 - 461 = 62.
basic_operations
733,243
calculus
medium
What is the indefinite integral of x^2 dx?
x^3/3 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^2 = x^3/3 + C.
integral
733,244
calculus
medium
What is the indefinite integral of x^1 dx?
x^2/2 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^1 = x^2/2 + C.
integral
733,245
algebra
medium
Solve for x: x^2 - 5x - 24 = 0
x = 8, -3
Factor: (x - 8)(x - -3) = x^2 -(5)x + -24 = 0. So x = 8 or -3. Check sum = 5, product = -24.
quadratic
733,246
arithmetic
easy
What is 211 divided by 3? Give answer to 2 decimal places.
70.33
Calculate 211/ 3 = 70.3333, rounded to 2 decimals is 70.33.
division
733,247
percentages
easy
What is 2% of 292?
5.84
Calculate 2/100 * 292 = 0.02*292 = 5.84.
percentages
733,248
arithmetic
easy
What is 11726 / 41?
286
Divide: 11726 ÷ 41 = 286 because 41*286=11726.
division
733,249
arithmetic
easy
What is 435 + 255?
690
Add the two numbers: 435 + 255 = 690.
basic_operations
733,250
percentages
easy
What is 77% of 827?
636.79
Calculate 77/100 * 827 = 0.77*827 = 636.79.
percentages
733,251
arithmetic
easy
What is 30 + 95 * 39? Remember order of operations.
3735
Order of operations (PEMDAS): first 95*39=3705, then 30+3705=3735.
basic_operations
733,252
exponents
easy
What is 3^4?
81
3^4 means multiply 3 by itself 4 times: 3*3*3*3 = 81.
exponents
733,253
arithmetic
easy
What is 55 + 86 * 96? Remember order of operations.
8311
Order of operations (PEMDAS): first 86*96=8256, then 55+8256=8311.
basic_operations
733,254
arithmetic
easy
What is 811 + 759 * 84? Remember order of operations.
64567
Order of operations (PEMDAS): first 759*84=63756, then 811+63756=64567.
basic_operations
733,255
word_problems
easy
If you have 5 dollars and you buy 43 more dollars, how many dollars do you have in total?
48
Add initial 5 plus bought 43: 5+43=48.
addition_word
733,256
exponents
easy
What is 3^2?
9
3^2 means multiply 3 by itself 2 times: 3*3 = 9.
exponents
733,257
arithmetic
easy
What is 21663 / 87?
249
Divide: 21663 ÷ 87 = 249 because 87*249=21663.
division
733,258
arithmetic
easy
What is 309 - 92?
217
Subtract: 309 - 92 = 217.
basic_operations
733,259
calculus
medium
What is the derivative of 7x^8 with respect to x?
56x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^8] = 7*8*x^7 = 56x^7.
derivative
733,260
geometry
easy
Find the circumference of a circle with radius 15. Use pi=3.14159, round to 2 decimals.
94.25
Circumference = 2*pi*r = 2*3.14159*15 = 94.25.
circle_circum
733,261
arithmetic
easy
What is 965 - 798?
167
Subtract: 965 - 798 = 167.
basic_operations
733,262
percentages
easy
What is 29% of 218?
63.22
Calculate 29/100 * 218 = 0.29*218 = 63.22.
percentages
733,263
calculus
medium
What is the indefinite integral of x^4 dx?
x^5/5 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^4 = x^5/5 + C.
integral
733,264
arithmetic
easy
What is 409 + 910?
1319
Add the two numbers: 409 + 910 = 1319.
basic_operations
733,265
arithmetic
easy
What is 882 + 496 * 97? Remember order of operations.
48994
Order of operations (PEMDAS): first 496*97=48112, then 882+48112=48994.
basic_operations
733,266
geometry
easy
Find the area of a triangle with base 79 and height 60.
2370
Area = 0.5*base*height = 0.5*79*60 = 2370.
triangle_area
733,267
statistics
easy
What is the mean (average) of 50, 68, 91, 44, 8?
52.2
Mean = sum/count. Sum = 50+68+91+44+8=261. Count=5. Mean=261/5=52.2.
mean
733,268
statistics
easy
What is the mean (average) of 94, 94, 95, 40, 19?
68.4
Mean = sum/count. Sum = 94+94+95+40+19=342. Count=5. Mean=342/5=68.4.
mean
733,269
arithmetic
easy
What is 377 + 246 * 98? Remember order of operations.
24485
Order of operations (PEMDAS): first 246*98=24108, then 377+24108=24485.
basic_operations
733,270
arithmetic
easy
What is 42 + 200?
242
Add the two numbers: 42 + 200 = 242.
basic_operations
733,271
algebra
easy
Solve for x: 20x + 31 = 271
12
Subtract 31 from both sides: 20x = 271-31=240. Then divide by 20: x = 240/20 = 12.
linear_equation
733,272
statistics
easy
What is the mean (average) of 44, 53, 73, 23?
48.25
Mean = sum/count. Sum = 44+53+73+23=193. Count=4. Mean=193/4=48.25.
mean
733,273
calculus
medium
What is the indefinite integral of x^7 dx?
x^8/8 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^7 = x^8/8 + C.
integral
733,274
word_problems
easy
If you have 71 candies and you buy 1 more candies, how many candies do you have in total?
72
Add initial 71 plus bought 1: 71+1=72.
addition_word
733,275
calculus
medium
What is the indefinite integral of x^3 dx?
x^4/4 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^3 = x^4/4 + C.
integral
733,276
arithmetic
easy
What is 65 * 14?
910
Multiply: 65 * 14 = 910.
basic_operations
733,277
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
733,278
arithmetic
easy
What is 819 - 536?
283
Subtract: 819 - 536 = 283.
basic_operations
733,279
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
733,280
word_problems
easy
If you have 29 pencils and you buy 35 more pencils, how many pencils do you have in total?
64
Add initial 29 plus bought 35: 29+35=64.
addition_word
733,281
calculus
medium
What is the derivative of 5x^7 with respect to x?
35x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^7] = 5*7*x^6 = 35x^6.
derivative
733,282
arithmetic
easy
What is 17112 / 92?
186
Divide: 17112 ÷ 92 = 186 because 92*186=17112.
division
733,283
roots
easy
What is the square root of 121?
11
Find number that when squared gives 121. 11*11=121, so sqrt(121)=11.
square_roots
733,284
calculus
medium
What is the indefinite integral of x^3 dx?
x^4/4 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^3 = x^4/4 + C.
integral
733,285
algebra
medium
Solve for x: x^2 + 8x + 7 = 0
x = -1, -7
Factor: (x - -1)(x - -7) = x^2 -(-8)x + 7 = 0. So x = -1 or -7. Check sum = -8, product = 7.
quadratic
733,286
statistics
easy
What is the mean (average) of 50, 6, 41, 24, 16?
27.4
Mean = sum/count. Sum = 50+6+41+24+16=137. Count=5. Mean=137/5=27.4.
mean
733,287
arithmetic
easy
What is 368 + 375 * 6? Remember order of operations.
2618
Order of operations (PEMDAS): first 375*6=2250, then 368+2250=2618.
basic_operations
733,288
roots
easy
What is the square root of 2209?
47
Find number that when squared gives 2209. 47*47=2209, so sqrt(2209)=47.
square_roots
733,289
word_problems
easy
If you have 89 candies and you buy 10 more candies, how many candies do you have in total?
99
Add initial 89 plus bought 10: 89+10=99.
addition_word
733,290
algebra
medium
Solve for x: x^2 + 10x + 16 = 0
x = -2, -8
Factor: (x - -2)(x - -8) = x^2 -(-10)x + 16 = 0. So x = -2 or -8. Check sum = -10, product = 16.
quadratic
733,291
word_problems
easy
If you have 92 pencils and you buy 39 more pencils, how many pencils do you have in total?
131
Add initial 92 plus bought 39: 92+39=131.
addition_word
733,292
number_theory
medium
What is the GCD (greatest common divisor) of 44 and 98?
2
Find greatest number dividing both 44 and 98. Divisors common, greatest is 2.
gcd
733,293
statistics
easy
What is the mean (average) of 75, 2, 65, 23, 36?
40.2
Mean = sum/count. Sum = 75+2+65+23+36=201. Count=5. Mean=201/5=40.2.
mean
733,294
arithmetic
easy
What is 60 * 54?
3240
Multiply: 60 * 54 = 3240.
basic_operations
733,295
percentages
easy
What is 72% of 182?
131.04
Calculate 72/100 * 182 = 0.72*182 = 131.04.
percentages
733,296
statistics
easy
What is the mean (average) of 55, 55, 28, 52?
47.5
Mean = sum/count. Sum = 55+55+28+52=190. Count=4. Mean=190/4=47.5.
mean
733,297
geometry
easy
Find the area of a triangle with base 2 and height 55.
55
Area = 0.5*base*height = 0.5*2*55 = 55.
triangle_area
733,298
word_problems
easy
If you have 71 books and you buy 38 more books, how many books do you have in total?
109
Add initial 71 plus bought 38: 71+38=109.
addition_word
733,299
arithmetic
easy
What is 45 + 64 * 59? Remember order of operations.
3821
Order of operations (PEMDAS): first 64*59=3776, then 45+3776=3821.
basic_operations
733,300
calculus
medium
What is the indefinite integral of x^1 dx?
x^2/2 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^1 = x^2/2 + C.
integral