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
4,201
arithmetic
easy
What is 56 * 10?
560
Multiply: 56 * 10 = 560.
basic_operations
4,202
number_theory
medium
What is the LCM (least common multiple) of 66 and 71?
4686
LCM = |66*71| / GCD(66,71). GCD=1, so LCM=4686/1=4686.
lcm
4,203
arithmetic
easy
What is 957 + 890?
1847
Add the two numbers: 957 + 890 = 1847.
basic_operations
4,204
fractions
medium
What is 10/18 + 6/2? Give as simplified fraction.
32/9
Common denominator 18*2=36. 10/18=20/36, 6/2=108/36. Sum = 128/36 = 32/9 simplified.
fraction_operations
4,205
algebra
easy
Solve for x: 18x - 16 = -322
-17
Add 16 to both sides: 18x = -322+16=-306. Then x = -306/18 = -17.
linear_equation
4,206
arithmetic
easy
What is 48 * 4?
192
Multiply: 48 * 4 = 192.
basic_operations
4,207
roots
easy
What is the square root of 1600?
40
Find number that when squared gives 1600. 40*40=1600, so sqrt(1600)=40.
square_roots
4,208
word_problems
easy
If you have 49 dollars and you buy 40 more dollars, how many dollars do you have in total?
89
Add initial 49 plus bought 40: 49+40=89.
addition_word
4,209
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
4,210
arithmetic
easy
What is 22594 divided by 58? Give answer to 2 decimal places.
389.55
Calculate 22594/ 58 = 389.5517, rounded to 2 decimals is 389.55.
division
4,211
arithmetic
easy
What is 96 * 73?
7008
Multiply: 96 * 73 = 7008.
basic_operations
4,212
algebra
easy
Solve for x: 13x - 8 = 96
8
Add 8 to both sides: 13x = 96+8=104. Then x = 104/13 = 8.
linear_equation
4,213
geometry
easy
Find the perimeter of a rectangle with length 19 and width 98.
234
Perimeter = 2*(length+width) = 2*(19+98) = 2*117 = 234.
rectangle_perim
4,214
fractions
medium
What is 3/14 + 9/14? Give as simplified fraction.
6/7
Common denominator 14*14=196. 3/14=42/196, 9/14=126/196. Sum = 168/196 = 6/7 simplified.
fraction_operations
4,215
arithmetic
easy
What is 46 + 311 * 2? Remember order of operations.
668
Order of operations (PEMDAS): first 311*2=622, then 46+622=668.
basic_operations
4,216
fractions
medium
What is 14/6 * 14/19? Give as simplified fraction.
98/57
Multiply numerators: 14*14=196. Denominators: 6*19=114. Simplify by gcd 2 to get 98/57.
fraction_operations
4,217
geometry
easy
Find the perimeter of a rectangle with length 1 and width 9.
20
Perimeter = 2*(length+width) = 2*(1+9) = 2*10 = 20.
rectangle_perim
4,218
algebra
medium
Solve for x: x^2 + 11x + 18 = 0
x = -9, -2
Factor: (x - -9)(x - -2) = x^2 -(-11)x + 18 = 0. So x = -9 or -2. Check sum = -11, product = 18.
quadratic
4,219
statistics
easy
What is the mean (average) of 29, 60, 22?
37
Mean = sum/count. Sum = 29+60+22=111. Count=3. Mean=111/3=37.0.
mean
4,220
statistics
easy
What is the mean (average) of 11, 86, 59?
52
Mean = sum/count. Sum = 11+86+59=156. Count=3. Mean=156/3=52.0.
mean
4,221
roots
easy
What is the square root of 1600?
40
Find number that when squared gives 1600. 40*40=1600, so sqrt(1600)=40.
square_roots
4,222
number_theory
medium
What is the LCM (least common multiple) of 61 and 34?
2074
LCM = |61*34| / GCD(61,34). GCD=1, so LCM=2074/1=2074.
lcm
4,223
roots
easy
What is the square root of 1156?
34
Find number that when squared gives 1156. 34*34=1156, so sqrt(1156)=34.
square_roots
4,224
algebra
easy
Solve for x: 19x + 16 = -41
-3
Subtract 16 from both sides: 19x = -41-16=-57. Then divide by 19: x = -57/19 = -3.
linear_equation
4,225
percentages
easy
What is 29% of 835?
242.15
Calculate 29/100 * 835 = 0.29*835 = 242.15.
percentages
4,226
arithmetic
easy
What is 495 - 445?
50
Subtract: 495 - 445 = 50.
basic_operations
4,227
exponents
easy
What is 9^5?
59049
9^5 means multiply 9 by itself 5 times: 9*9*9*9*9 = 59049.
exponents
4,228
arithmetic
easy
What is 975 + 606 * 39? Remember order of operations.
24609
Order of operations (PEMDAS): first 606*39=23634, then 975+23634=24609.
basic_operations
4,229
algebra
easy
Solve for x: 18x - 22 = -130
-6
Add 22 to both sides: 18x = -130+22=-108. Then x = -108/18 = -6.
linear_equation
4,230
percentages
easy
What is 60% of 927?
556.2
Calculate 60/100 * 927 = 0.6*927 = 556.2.
percentages
4,231
algebra
easy
Solve for x: 4x + 39 = 95
14
Subtract 39 from both sides: 4x = 95-39=56. Then divide by 4: x = 56/4 = 14.
linear_equation
4,232
number_theory
medium
What is the LCM (least common multiple) of 53 and 96?
5088
LCM = |53*96| / GCD(53,96). GCD=1, so LCM=5088/1=5088.
lcm
4,233
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
4,234
roots
easy
What is the square root of 400?
20
Find number that when squared gives 400. 20*20=400, so sqrt(400)=20.
square_roots
4,235
arithmetic
easy
What is 249 - 167?
82
Subtract: 249 - 167 = 82.
basic_operations
4,236
arithmetic
easy
What is 794 - 322?
472
Subtract: 794 - 322 = 472.
basic_operations
4,237
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
4,238
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
4,239
arithmetic
easy
What is 342 + 961?
1303
Add the two numbers: 342 + 961 = 1303.
basic_operations
4,240
statistics
easy
What is the mean (average) of 51, 76, 28, 52?
51.75
Mean = sum/count. Sum = 51+76+28+52=207. Count=4. Mean=207/4=51.75.
mean
4,241
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
4,242
percentages
easy
What is 37% of 250?
92.5
Calculate 37/100 * 250 = 0.37*250 = 92.5.
percentages
4,243
algebra
medium
Solve for x: x^2 + 5x = 0
x = 0, -5
Factor: (x - 0)(x - -5) = x^2 -(-5)x + 0 = 0. So x = 0 or -5. Check sum = -5, product = 0.
quadratic
4,244
roots
easy
What is the square root of 1444?
38
Find number that when squared gives 1444. 38*38=1444, so sqrt(1444)=38.
square_roots
4,245
calculus
medium
What is the derivative of 2x^8 with respect to x?
16x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^8] = 2*8*x^7 = 16x^7.
derivative
4,246
arithmetic
easy
What is 516 / 12?
43
Divide: 516 ÷ 12 = 43 because 12*43=516.
division
4,247
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
4,248
arithmetic
easy
What is 20 + 7 * 90? Remember order of operations.
650
Order of operations (PEMDAS): first 7*90=630, then 20+630=650.
basic_operations
4,249
algebra
medium
Solve for x: x^2 + 15x + 54 = 0
x = -9, -6
Factor: (x - -9)(x - -6) = x^2 -(-15)x + 54 = 0. So x = -9 or -6. Check sum = -15, product = 54.
quadratic
4,250
exponents
easy
What is 7^4?
2401
7^4 means multiply 7 by itself 4 times: 7*7*7*7 = 2401.
exponents
4,251
arithmetic
easy
What is 170 + 42 * 40? Remember order of operations.
1850
Order of operations (PEMDAS): first 42*40=1680, then 170+1680=1850.
basic_operations
4,252
arithmetic
easy
What is 41 + 630?
671
Add the two numbers: 41 + 630 = 671.
basic_operations
4,253
calculus
medium
What is the derivative of 8x^8 with respect to x?
64x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^8] = 8*8*x^7 = 64x^7.
derivative
4,254
arithmetic
easy
What is 10944 / 36?
304
Divide: 10944 ÷ 36 = 304 because 36*304=10944.
division
4,255
exponents
easy
What is 4^2?
16
4^2 means multiply 4 by itself 2 times: 4*4 = 16.
exponents
4,256
word_problems
easy
If you have 82 books and you buy 17 more books, how many books do you have in total?
99
Add initial 82 plus bought 17: 82+17=99.
addition_word
4,257
arithmetic
easy
What is 20215 / 65?
311
Divide: 20215 ÷ 65 = 311 because 65*311=20215.
division
4,258
arithmetic
easy
What is 21 * 89?
1869
Multiply: 21 * 89 = 1869.
basic_operations
4,259
word_problems
easy
If you have 50 dollars and you buy 33 more dollars, how many dollars do you have in total?
83
Add initial 50 plus bought 33: 50+33=83.
addition_word
4,260
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
4,261
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
4,262
percentages
easy
What is 40% of 683?
273.2
Calculate 40/100 * 683 = 0.4*683 = 273.2.
percentages
4,263
roots
easy
What is the square root of 196?
14
Find number that when squared gives 196. 14*14=196, so sqrt(196)=14.
square_roots
4,264
percentages
easy
What is 60% of 153?
91.8
Calculate 60/100 * 153 = 0.6*153 = 91.8.
percentages
4,265
algebra
easy
Solve for x: 2x - 40 = -74
-17
Add 40 to both sides: 2x = -74+40=-34. Then x = -34/2 = -17.
linear_equation
4,266
arithmetic
easy
What is 1120 / 20?
56
Divide: 1120 ÷ 20 = 56 because 20*56=1120.
division
4,267
algebra
easy
Solve for x: 3x - 14 = -11
1
Add 14 to both sides: 3x = -11+14=3. Then x = 3/3 = 1.
linear_equation
4,268
roots
easy
What is the square root of 1444?
38
Find number that when squared gives 1444. 38*38=1444, so sqrt(1444)=38.
square_roots
4,269
percentages
easy
What is 92% of 494?
454.48
Calculate 92/100 * 494 = 0.92*494 = 454.48.
percentages
4,270
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
4,271
arithmetic
easy
What is 28812 / 84?
343
Divide: 28812 ÷ 84 = 343 because 84*343=28812.
division
4,272
fractions
medium
What is 16/3 - 12/7? Give as simplified fraction.
76/21
Common denominator 21. Numerator 112-36=76. So 76/21 simplifies to 76/21.
fraction_operations
4,273
fractions
medium
What is 12/4 - 2/3? Give as simplified fraction.
7/3
Common denominator 12. Numerator 36-8=28. So 28/12 simplifies to 7/3.
fraction_operations
4,274
calculus
medium
What is the derivative of 8x^3 with respect to x?
24x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^3] = 8*3*x^2 = 24x^2.
derivative
4,275
word_problems
easy
If you have 89 dollars and you buy 26 more dollars, how many dollars do you have in total?
115
Add initial 89 plus bought 26: 89+26=115.
addition_word
4,276
word_problems
easy
If you have 22 candies and you buy 21 more candies, how many candies do you have in total?
43
Add initial 22 plus bought 21: 22+21=43.
addition_word
4,277
roots
easy
What is the square root of 2401?
49
Find number that when squared gives 2401. 49*49=2401, so sqrt(2401)=49.
square_roots
4,278
algebra
medium
Solve for x: x^2 + 15x + 50 = 0
x = -10, -5
Factor: (x - -10)(x - -5) = x^2 -(-15)x + 50 = 0. So x = -10 or -5. Check sum = -15, product = 50.
quadratic
4,279
geometry
easy
Find the circumference of a circle with radius 6. Use pi=3.14159, round to 2 decimals.
37.7
Circumference = 2*pi*r = 2*3.14159*6 = 37.7.
circle_circum
4,280
statistics
easy
What is the mean (average) of 19, 6, 18, 31?
18.5
Mean = sum/count. Sum = 19+6+18+31=74. Count=4. Mean=74/4=18.5.
mean
4,281
statistics
easy
What is the mean (average) of 26, 93, 24, 54?
49.25
Mean = sum/count. Sum = 26+93+24+54=197. Count=4. Mean=197/4=49.25.
mean
4,282
arithmetic
easy
What is 790 - 10?
780
Subtract: 790 - 10 = 780.
basic_operations
4,283
number_theory
medium
What is the GCD (greatest common divisor) of 44 and 1?
1
Find greatest number dividing both 44 and 1. Divisors common, greatest is 1.
gcd
4,284
statistics
easy
What is the mean (average) of 26, 28, 19, 43, 88?
40.8
Mean = sum/count. Sum = 26+28+19+43+88=204. Count=5. Mean=204/5=40.8.
mean
4,285
geometry
easy
Find the area of a triangle with base 51 and height 68.
1734
Area = 0.5*base*height = 0.5*51*68 = 1734.
triangle_area
4,286
fractions
medium
What is 14/3 * 15/20? Give as simplified fraction.
7/2
Multiply numerators: 14*15=210. Denominators: 3*20=60. Simplify by gcd 30 to get 7/2.
fraction_operations
4,287
exponents
easy
What is 10^5?
100000
10^5 means multiply 10 by itself 5 times: 10*10*10*10*10 = 100000.
exponents
4,288
arithmetic
easy
What is 341 - 292?
49
Subtract: 341 - 292 = 49.
basic_operations
4,289
arithmetic
easy
What is 850 - 486?
364
Subtract: 850 - 486 = 364.
basic_operations
4,290
percentages
easy
What is 41% of 855?
350.55
Calculate 41/100 * 855 = 0.41*855 = 350.55.
percentages
4,291
percentages
easy
What is 58% of 272?
157.76
Calculate 58/100 * 272 = 0.58*272 = 157.76.
percentages
4,292
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
4,293
percentages
easy
What is 86% of 927?
797.22
Calculate 86/100 * 927 = 0.86*927 = 797.22.
percentages
4,294
geometry
easy
Find the circumference of a circle with radius 17. Use pi=3.14159, round to 2 decimals.
106.81
Circumference = 2*pi*r = 2*3.14159*17 = 106.81.
circle_circum
4,295
arithmetic
easy
What is 544 + 235?
779
Add the two numbers: 544 + 235 = 779.
basic_operations
4,296
word_problems
easy
If you have 35 apples and you buy 26 more apples, how many apples do you have in total?
61
Add initial 35 plus bought 26: 35+26=61.
addition_word
4,297
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
4,298
arithmetic
easy
What is 70 + 54 * 36? Remember order of operations.
2014
Order of operations (PEMDAS): first 54*36=1944, then 70+1944=2014.
basic_operations
4,299
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
4,300
statistics
easy
What is the mean (average) of 28, 69, 85, 71, 37?
58
Mean = sum/count. Sum = 28+69+85+71+37=290. Count=5. Mean=290/5=58.0.
mean