id
int64
1
735k
topic
stringclasses
11 values
difficulty
stringclasses
2 values
question
stringlengths
12
91
answer
stringlengths
1
11
reasoning
stringlengths
20
98
category
stringclasses
19 values
1,201
arithmetic
easy
What is 904 + 514 * 18? Remember order of operations.
10156
Order of operations (PEMDAS): first 514*18=9252, then 904+9252=10156.
basic_operations
1,202
arithmetic
easy
What is 527 + 659 * 36? Remember order of operations.
24251
Order of operations (PEMDAS): first 659*36=23724, then 527+23724=24251.
basic_operations
1,203
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
1,204
arithmetic
easy
What is 10148 / 86?
118
Divide: 10148 ÷ 86 = 118 because 86*118=10148.
division
1,205
arithmetic
easy
What is 21829 divided by 63? Give answer to 2 decimal places.
346.49
Calculate 21829/ 63 = 346.4921, rounded to 2 decimals is 346.49.
division
1,206
fractions
medium
What is 19/7 + 14/2? Give as simplified fraction.
68/7
Common denominator 7*2=14. 19/7=38/14, 14/2=98/14. Sum = 136/14 = 68/7 simplified.
fraction_operations
1,207
arithmetic
easy
What is 131 + 588 * 76? Remember order of operations.
44819
Order of operations (PEMDAS): first 588*76=44688, then 131+44688=44819.
basic_operations
1,208
arithmetic
easy
What is 913 + 587 * 19? Remember order of operations.
12066
Order of operations (PEMDAS): first 587*19=11153, then 913+11153=12066.
basic_operations
1,209
algebra
medium
Solve for x: x^2 - 8x + 12 = 0
x = 6, 2
Factor: (x - 6)(x - 2) = x^2 -(8)x + 12 = 0. So x = 6 or 2. Check sum = 8, product = 12.
quadratic
1,210
arithmetic
easy
What is 37 + 11 * 94? Remember order of operations.
1071
Order of operations (PEMDAS): first 11*94=1034, then 37+1034=1071.
basic_operations
1,211
statistics
easy
What is the mean (average) of 22, 29, 53, 77?
45.25
Mean = sum/count. Sum = 22+29+53+77=181. Count=4. Mean=181/4=45.25.
mean
1,212
algebra
easy
Solve for x: 19x + 48 = -123
-9
Subtract 48 from both sides: 19x = -123-48=-171. Then divide by 19: x = -171/19 = -9.
linear_equation
1,213
geometry
easy
Find the perimeter of a rectangle with length 93 and width 88.
362
Perimeter = 2*(length+width) = 2*(93+88) = 2*181 = 362.
rectangle_perim
1,214
roots
easy
What is the square root of 900?
30
Find number that when squared gives 900. 30*30=900, so sqrt(900)=30.
square_roots
1,215
arithmetic
easy
What is 236 + 388 * 50? Remember order of operations.
19636
Order of operations (PEMDAS): first 388*50=19400, then 236+19400=19636.
basic_operations
1,216
fractions
medium
What is 17/18 * 14/6? Give as simplified fraction.
119/54
Multiply numerators: 17*14=238. Denominators: 18*6=108. Simplify by gcd 2 to get 119/54.
fraction_operations
1,217
arithmetic
easy
What is 5856 / 24?
244
Divide: 5856 ÷ 24 = 244 because 24*244=5856.
division
1,218
arithmetic
easy
What is 3211 / 13?
247
Divide: 3211 ÷ 13 = 247 because 13*247=3211.
division
1,219
arithmetic
easy
What is 84 * 56?
4704
Multiply: 84 * 56 = 4704.
basic_operations
1,220
number_theory
medium
What is the LCM (least common multiple) of 6 and 90?
90
LCM = |6*90| / GCD(6,90). GCD=6, so LCM=540/6=90.
lcm
1,221
percentages
easy
What is 62% of 809?
501.58
Calculate 62/100 * 809 = 0.62*809 = 501.58.
percentages
1,222
calculus
medium
What is the derivative of 10x^4 with respect to x?
40x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^4] = 10*4*x^3 = 40x^3.
derivative
1,223
arithmetic
easy
What is 3881 divided by 56? Give answer to 2 decimal places.
69.3
Calculate 3881/ 56 = 69.3036, rounded to 2 decimals is 69.3.
division
1,224
percentages
easy
What is 11% of 291?
32.01
Calculate 11/100 * 291 = 0.11*291 = 32.01.
percentages
1,225
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
1,226
fractions
medium
What is 1/2 + 19/18? Give as simplified fraction.
14/9
Common denominator 2*18=36. 1/2=18/36, 19/18=38/36. Sum = 56/36 = 14/9 simplified.
fraction_operations
1,227
arithmetic
easy
What is 41 * 53?
2173
Multiply: 41 * 53 = 2173.
basic_operations
1,228
algebra
easy
Solve for x: 14x + 33 = 271
17
Subtract 33 from both sides: 14x = 271-33=238. Then divide by 14: x = 238/14 = 17.
linear_equation
1,229
geometry
easy
Find the area of a circle with radius 35. Use pi=3.14159, round to 2 decimals.
3848.45
Area = pi*r^2 = 3.14159*35^2 = 3.14159*1225 = 3848.45.
circle_area
1,230
calculus
medium
What is the indefinite integral of x^5 dx?
x^6/6 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^5 = x^6/6 + C.
integral
1,231
number_theory
medium
What is the LCM (least common multiple) of 79 and 36?
2844
LCM = |79*36| / GCD(79,36). GCD=1, so LCM=2844/1=2844.
lcm
1,232
fractions
medium
What is 14/19 + 18/17? Give as simplified fraction.
580/323
Common denominator 19*17=323. 14/19=238/323, 18/17=342/323. Sum = 580/323 = 580/323 simplified.
fraction_operations
1,233
number_theory
medium
What is the LCM (least common multiple) of 72 and 72?
72
LCM = |72*72| / GCD(72,72). GCD=72, so LCM=5184/72=72.
lcm
1,234
geometry
easy
Find the area of a circle with radius 37. Use pi=3.14159, round to 2 decimals.
4300.84
Area = pi*r^2 = 3.14159*37^2 = 3.14159*1369 = 4300.84.
circle_area
1,235
number_theory
medium
What is the LCM (least common multiple) of 100 and 91?
9100
LCM = |100*91| / GCD(100,91). GCD=1, so LCM=9100/1=9100.
lcm
1,236
algebra
easy
Solve for x: 4x + 45 = 21
-6
Subtract 45 from both sides: 4x = 21-45=-24. Then divide by 4: x = -24/4 = -6.
linear_equation
1,237
word_problems
easy
If you have 94 apples and you buy 11 more apples, how many apples do you have in total?
105
Add initial 94 plus bought 11: 94+11=105.
addition_word
1,238
fractions
medium
What is 17/14 * 11/19? Give as simplified fraction.
187/266
Multiply numerators: 17*11=187. Denominators: 14*19=266. Simplify by gcd 1 to get 187/266.
fraction_operations
1,239
arithmetic
easy
What is 165 + 399?
564
Add the two numbers: 165 + 399 = 564.
basic_operations
1,240
algebra
easy
Solve for x: 16x + 26 = 138
7
Subtract 26 from both sides: 16x = 138-26=112. Then divide by 16: x = 112/16 = 7.
linear_equation
1,241
arithmetic
easy
What is 270 + 66 * 29? Remember order of operations.
2184
Order of operations (PEMDAS): first 66*29=1914, then 270+1914=2184.
basic_operations
1,242
arithmetic
easy
What is 84 + 67 * 52? Remember order of operations.
3568
Order of operations (PEMDAS): first 67*52=3484, then 84+3484=3568.
basic_operations
1,243
arithmetic
easy
What is 64 + 57 * 23? Remember order of operations.
1375
Order of operations (PEMDAS): first 57*23=1311, then 64+1311=1375.
basic_operations
1,244
exponents
easy
What is 5^2?
25
5^2 means multiply 5 by itself 2 times: 5*5 = 25.
exponents
1,245
percentages
easy
What is 79% of 174?
137.46
Calculate 79/100 * 174 = 0.79*174 = 137.46.
percentages
1,246
arithmetic
easy
What is 369 + 245?
614
Add the two numbers: 369 + 245 = 614.
basic_operations
1,247
arithmetic
easy
What is 799 - 283?
516
Subtract: 799 - 283 = 516.
basic_operations
1,248
calculus
medium
What is the derivative of 4x^6 with respect to x?
24x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^6] = 4*6*x^5 = 24x^5.
derivative
1,249
arithmetic
easy
What is 755 + 721?
1476
Add the two numbers: 755 + 721 = 1476.
basic_operations
1,250
number_theory
medium
What is the GCD (greatest common divisor) of 45 and 36?
9
Find greatest number dividing both 45 and 36. Divisors common, greatest is 9.
gcd
1,251
fractions
medium
What is 15/14 - 19/2? Give as simplified fraction.
-59/7
Common denominator 28. Numerator 30-266=-236. So -236/28 simplifies to -59/7.
fraction_operations
1,252
algebra
medium
Solve for x: x^2 - 9x + 18 = 0
x = 3, 6
Factor: (x - 3)(x - 6) = x^2 -(9)x + 18 = 0. So x = 3 or 6. Check sum = 9, product = 18.
quadratic
1,253
arithmetic
easy
What is 2774 / 73?
38
Divide: 2774 ÷ 73 = 38 because 73*38=2774.
division
1,254
roots
easy
What is the square root of 64?
8
Find number that when squared gives 64. 8*8=64, so sqrt(64)=8.
square_roots
1,255
geometry
easy
Find the area of a triangle with base 74 and height 33.
1221
Area = 0.5*base*height = 0.5*74*33 = 1221.
triangle_area
1,256
word_problems
easy
If you have 53 candies and you buy 37 more candies, how many candies do you have in total?
90
Add initial 53 plus bought 37: 53+37=90.
addition_word
1,257
percentages
easy
What is 97% of 348?
337.56
Calculate 97/100 * 348 = 0.97*348 = 337.56.
percentages
1,258
word_problems
easy
If you have 92 pencils and you buy 30 more pencils, how many pencils do you have in total?
122
Add initial 92 plus bought 30: 92+30=122.
addition_word
1,259
arithmetic
easy
What is 494 + 120?
614
Add the two numbers: 494 + 120 = 614.
basic_operations
1,260
percentages
easy
What is 87% of 719?
625.53
Calculate 87/100 * 719 = 0.87*719 = 625.53.
percentages
1,261
percentages
easy
What is 41% of 423?
173.43
Calculate 41/100 * 423 = 0.41*423 = 173.43.
percentages
1,262
number_theory
medium
What is the GCD (greatest common divisor) of 67 and 69?
1
Find greatest number dividing both 67 and 69. Divisors common, greatest is 1.
gcd
1,263
geometry
easy
Find the perimeter of a rectangle with length 37 and width 12.
98
Perimeter = 2*(length+width) = 2*(37+12) = 2*49 = 98.
rectangle_perim
1,264
calculus
medium
What is the derivative of 6x^7 with respect to x?
42x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^7] = 6*7*x^6 = 42x^6.
derivative
1,265
arithmetic
easy
What is 954 - 568?
386
Subtract: 954 - 568 = 386.
basic_operations
1,266
fractions
medium
What is 19/10 - 6/8? Give as simplified fraction.
23/20
Common denominator 80. Numerator 152-60=92. So 92/80 simplifies to 23/20.
fraction_operations
1,267
fractions
medium
What is 8/9 + 9/8? Give as simplified fraction.
145/72
Common denominator 9*8=72. 8/9=64/72, 9/8=81/72. Sum = 145/72 = 145/72 simplified.
fraction_operations
1,268
fractions
medium
What is 8/13 + 5/5? Give as simplified fraction.
21/13
Common denominator 13*5=65. 8/13=40/65, 5/5=65/65. Sum = 105/65 = 21/13 simplified.
fraction_operations
1,269
arithmetic
easy
What is 979 - 693?
286
Subtract: 979 - 693 = 286.
basic_operations
1,270
arithmetic
easy
What is 41 * 64?
2624
Multiply: 41 * 64 = 2624.
basic_operations
1,271
geometry
easy
Find the circumference of a circle with radius 12. Use pi=3.14159, round to 2 decimals.
75.4
Circumference = 2*pi*r = 2*3.14159*12 = 75.4.
circle_circum
1,272
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
1,273
algebra
easy
Solve for x: 2x + 17 = 31
7
Subtract 17 from both sides: 2x = 31-17=14. Then divide by 2: x = 14/2 = 7.
linear_equation
1,274
statistics
easy
What is the mean (average) of 5, 65, 45, 51, 88?
50.8
Mean = sum/count. Sum = 5+65+45+51+88=254. Count=5. Mean=254/5=50.8.
mean
1,275
algebra
medium
Solve for x: x^2 + 3x - 28 = 0
x = 4, -7
Factor: (x - 4)(x - -7) = x^2 -(-3)x + -28 = 0. So x = 4 or -7. Check sum = -3, product = -28.
quadratic
1,276
word_problems
easy
If you have 45 apples and you buy 45 more apples, how many apples do you have in total?
90
Add initial 45 plus bought 45: 45+45=90.
addition_word
1,277
arithmetic
easy
What is 13 * 42?
546
Multiply: 13 * 42 = 546.
basic_operations
1,278
geometry
easy
Find the perimeter of a rectangle with length 71 and width 34.
210
Perimeter = 2*(length+width) = 2*(71+34) = 2*105 = 210.
rectangle_perim
1,279
percentages
easy
What is 35% of 483?
169.05
Calculate 35/100 * 483 = 0.35*483 = 169.05.
percentages
1,280
roots
easy
What is the square root of 576?
24
Find number that when squared gives 576. 24*24=576, so sqrt(576)=24.
square_roots
1,281
algebra
medium
Solve for x: x^2 - 8x + 15 = 0
x = 5, 3
Factor: (x - 5)(x - 3) = x^2 -(8)x + 15 = 0. So x = 5 or 3. Check sum = 8, product = 15.
quadratic
1,282
fractions
medium
What is 14/13 - 12/14? Give as simplified fraction.
20/91
Common denominator 182. Numerator 196-156=40. So 40/182 simplifies to 20/91.
fraction_operations
1,283
word_problems
easy
If you have 28 books and you buy 37 more books, how many books do you have in total?
65
Add initial 28 plus bought 37: 28+37=65.
addition_word
1,284
percentages
easy
What is 13% of 739?
96.07
Calculate 13/100 * 739 = 0.13*739 = 96.07.
percentages
1,285
geometry
easy
Find the perimeter of a rectangle with length 72 and width 56.
256
Perimeter = 2*(length+width) = 2*(72+56) = 2*128 = 256.
rectangle_perim
1,286
calculus
medium
What is the derivative of 3x^3 with respect to x?
9x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^3] = 3*3*x^2 = 9x^2.
derivative
1,287
algebra
easy
Solve for x: 16x - 49 = -193
-9
Add 49 to both sides: 16x = -193+49=-144. Then x = -144/16 = -9.
linear_equation
1,288
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
1,289
algebra
easy
Solve for x: 17x + 18 = 18
0
Subtract 18 from both sides: 17x = 18-18=0. Then divide by 17: x = 0/17 = 0.
linear_equation
1,290
statistics
easy
What is the mean (average) of 33, 72, 73, 7?
46.25
Mean = sum/count. Sum = 33+72+73+7=185. Count=4. Mean=185/4=46.25.
mean
1,291
calculus
medium
What is the derivative of 3x^2 with respect to x?
6x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^2] = 3*2*x^1 = 6x.
derivative
1,292
arithmetic
easy
What is 834 - 221?
613
Subtract: 834 - 221 = 613.
basic_operations
1,293
arithmetic
easy
What is 22538 / 59?
382
Divide: 22538 ÷ 59 = 382 because 59*382=22538.
division
1,294
number_theory
medium
What is the LCM (least common multiple) of 47 and 72?
3384
LCM = |47*72| / GCD(47,72). GCD=1, so LCM=3384/1=3384.
lcm
1,295
number_theory
medium
What is the GCD (greatest common divisor) of 3 and 53?
1
Find greatest number dividing both 3 and 53. Divisors common, greatest is 1.
gcd
1,296
number_theory
medium
What is the GCD (greatest common divisor) of 87 and 78?
3
Find greatest number dividing both 87 and 78. Divisors common, greatest is 3.
gcd
1,297
algebra
medium
Solve for x: x^2 - 1 = 0
x = -1, 1
Factor: (x - -1)(x - 1) = x^2 -(0)x + -1 = 0. So x = -1 or 1. Check sum = 0, product = -1.
quadratic
1,298
roots
easy
What is the square root of 1936?
44
Find number that when squared gives 1936. 44*44=1936, so sqrt(1936)=44.
square_roots
1,299
statistics
easy
What is the mean (average) of 58, 11, 49, 79, 37?
46.8
Mean = sum/count. Sum = 58+11+49+79+37=234. Count=5. Mean=234/5=46.8.
mean
1,300
word_problems
easy
If you have 85 books and you buy 10 more books, how many books do you have in total?
95
Add initial 85 plus bought 10: 85+10=95.
addition_word