id
int64
1
735k
topic
stringclasses
11 values
difficulty
stringclasses
2 values
question
stringlengths
12
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stringlengths
1
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reasoning
stringlengths
20
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stringclasses
19 values
734,301
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
734,302
geometry
easy
Find the area of a triangle with base 12 and height 35.
210
Area = 0.5*base*height = 0.5*12*35 = 210.
triangle_area
734,303
number_theory
medium
What is the LCM (least common multiple) of 2 and 79?
158
LCM = |2*79| / GCD(2,79). GCD=1, so LCM=158/1=158.
lcm
734,304
word_problems
easy
If you have 50 books and you buy 26 more books, how many books do you have in total?
76
Add initial 50 plus bought 26: 50+26=76.
addition_word
734,305
algebra
medium
Solve for x: x^2 - 4x - 45 = 0
x = -5, 9
Factor: (x - -5)(x - 9) = x^2 -(4)x + -45 = 0. So x = -5 or 9. Check sum = 4, product = -45.
quadratic
734,306
arithmetic
easy
What is 20382 / 79?
258
Divide: 20382 ÷ 79 = 258 because 79*258=20382.
division
734,307
calculus
medium
What is the derivative of 10x^2 with respect to x?
20x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^2] = 10*2*x^1 = 20x.
derivative
734,308
calculus
medium
What is the derivative of 3x^4 with respect to x?
12x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^4] = 3*4*x^3 = 12x^3.
derivative
734,309
arithmetic
easy
What is 43974 divided by 97? Give answer to 2 decimal places.
453.34
Calculate 43974/ 97 = 453.3402, rounded to 2 decimals is 453.34.
division
734,310
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
734,311
arithmetic
easy
What is 1400 / 70?
20
Divide: 1400 ÷ 70 = 20 because 70*20=1400.
division
734,312
calculus
medium
What is the indefinite integral of x^6 dx?
x^7/7 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^6 = x^7/7 + C.
integral
734,313
arithmetic
easy
What is 82 * 16?
1312
Multiply: 82 * 16 = 1312.
basic_operations
734,314
geometry
easy
Find the perimeter of a rectangle with length 35 and width 79.
228
Perimeter = 2*(length+width) = 2*(35+79) = 2*114 = 228.
rectangle_perim
734,315
arithmetic
easy
What is 37 * 7?
259
Multiply: 37 * 7 = 259.
basic_operations
734,316
algebra
easy
Solve for x: 17x - 6 = -23
-1
Add 6 to both sides: 17x = -23+6=-17. Then x = -17/17 = -1.
linear_equation
734,317
exponents
easy
What is 9^5?
59049
9^5 means multiply 9 by itself 5 times: 9*9*9*9*9 = 59049.
exponents
734,318
arithmetic
easy
What is 629 + 194?
823
Add the two numbers: 629 + 194 = 823.
basic_operations
734,319
fractions
medium
What is 18/14 + 16/2? Give as simplified fraction.
65/7
Common denominator 14*2=28. 18/14=36/28, 16/2=224/28. Sum = 260/28 = 65/7 simplified.
fraction_operations
734,320
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
734,321
exponents
easy
What is 6^3?
216
6^3 means multiply 6 by itself 3 times: 6*6*6 = 216.
exponents
734,322
arithmetic
easy
What is 317 + 319?
636
Add the two numbers: 317 + 319 = 636.
basic_operations
734,323
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
734,324
arithmetic
easy
What is 308 + 272 * 64? Remember order of operations.
17716
Order of operations (PEMDAS): first 272*64=17408, then 308+17408=17716.
basic_operations
734,325
arithmetic
easy
What is 46 + 99 * 34? Remember order of operations.
3412
Order of operations (PEMDAS): first 99*34=3366, then 46+3366=3412.
basic_operations
734,326
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
734,327
geometry
easy
Find the perimeter of a rectangle with length 70 and width 90.
320
Perimeter = 2*(length+width) = 2*(70+90) = 2*160 = 320.
rectangle_perim
734,328
algebra
medium
Solve for x: x^2 + 2x - 48 = 0
x = -8, 6
Factor: (x - -8)(x - 6) = x^2 -(-2)x + -48 = 0. So x = -8 or 6. Check sum = -2, product = -48.
quadratic
734,329
calculus
medium
What is the derivative of 9x^3 with respect to x?
27x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^3] = 9*3*x^2 = 27x^2.
derivative
734,330
geometry
easy
Find the area of a triangle with base 98 and height 12.
588
Area = 0.5*base*height = 0.5*98*12 = 588.
triangle_area
734,331
algebra
medium
Solve for x: x^2 + 17x + 70 = 0
x = -10, -7
Factor: (x - -10)(x - -7) = x^2 -(-17)x + 70 = 0. So x = -10 or -7. Check sum = -17, product = 70.
quadratic
734,332
roots
easy
What is the square root of 441?
21
Find number that when squared gives 441. 21*21=441, so sqrt(441)=21.
square_roots
734,333
geometry
easy
Find the area of a triangle with base 5 and height 23.
57.5
Area = 0.5*base*height = 0.5*5*23 = 57.5.
triangle_area
734,334
algebra
medium
Solve for x: x^2 - 3x - 18 = 0
x = -3, 6
Factor: (x - -3)(x - 6) = x^2 -(3)x + -18 = 0. So x = -3 or 6. Check sum = 3, product = -18.
quadratic
734,335
roots
easy
What is the square root of 9?
3
Find number that when squared gives 9. 3*3=9, so sqrt(9)=3.
square_roots
734,336
word_problems
easy
If you have 66 books and you buy 49 more books, how many books do you have in total?
115
Add initial 66 plus bought 49: 66+49=115.
addition_word
734,337
fractions
medium
What is 7/10 - 15/8? Give as simplified fraction.
-47/40
Common denominator 80. Numerator 56-150=-94. So -94/80 simplifies to -47/40.
fraction_operations
734,338
algebra
medium
Solve for x: x^2 + 17x + 70 = 0
x = -7, -10
Factor: (x - -7)(x - -10) = x^2 -(-17)x + 70 = 0. So x = -7 or -10. Check sum = -17, product = 70.
quadratic
734,339
arithmetic
easy
What is 54 + 61 * 23? Remember order of operations.
1457
Order of operations (PEMDAS): first 61*23=1403, then 54+1403=1457.
basic_operations
734,340
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
734,341
algebra
medium
Solve for x: x^2 - 5x - 6 = 0
x = -1, 6
Factor: (x - -1)(x - 6) = x^2 -(5)x + -6 = 0. So x = -1 or 6. Check sum = 5, product = -6.
quadratic
734,342
percentages
easy
What is 5% of 100?
5
Calculate 5/100 * 100 = 0.05*100 = 5.
percentages
734,343
geometry
easy
Find the area of a circle with radius 41. Use pi=3.14159, round to 2 decimals.
5281.02
Area = pi*r^2 = 3.14159*41^2 = 3.14159*1681 = 5281.02.
circle_area
734,344
statistics
easy
What is the mean (average) of 62, 83, 89?
78
Mean = sum/count. Sum = 62+83+89=234. Count=3. Mean=234/3=78.0.
mean
734,345
arithmetic
easy
What is 22448 divided by 77? Give answer to 2 decimal places.
291.53
Calculate 22448/ 77 = 291.5325, rounded to 2 decimals is 291.53.
division
734,346
roots
easy
What is the square root of 1225?
35
Find number that when squared gives 1225. 35*35=1225, so sqrt(1225)=35.
square_roots
734,347
arithmetic
easy
What is 5054 / 38?
133
Divide: 5054 ÷ 38 = 133 because 38*133=5054.
division
734,348
calculus
medium
What is the derivative of 4x^7 with respect to x?
28x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^7] = 4*7*x^6 = 28x^6.
derivative
734,349
arithmetic
easy
What is 4 * 22?
88
Multiply: 4 * 22 = 88.
basic_operations
734,350
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
734,351
calculus
medium
What is the derivative of 7x^5 with respect to x?
35x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^5] = 7*5*x^4 = 35x^4.
derivative
734,352
geometry
easy
Find the circumference of a circle with radius 25. Use pi=3.14159, round to 2 decimals.
157.08
Circumference = 2*pi*r = 2*3.14159*25 = 157.08.
circle_circum
734,353
word_problems
easy
If you have 90 books and you buy 14 more books, how many books do you have in total?
104
Add initial 90 plus bought 14: 90+14=104.
addition_word
734,354
arithmetic
easy
What is 552 / 3?
184
Divide: 552 ÷ 3 = 184 because 3*184=552.
division
734,355
arithmetic
easy
What is 4464 / 48?
93
Divide: 4464 ÷ 48 = 93 because 48*93=4464.
division
734,356
number_theory
medium
What is the GCD (greatest common divisor) of 1 and 16?
1
Find greatest number dividing both 1 and 16. Divisors common, greatest is 1.
gcd
734,357
percentages
easy
What is 53% of 392?
207.76
Calculate 53/100 * 392 = 0.53*392 = 207.76.
percentages
734,358
fractions
medium
What is 3/19 + 18/18? Give as simplified fraction.
22/19
Common denominator 19*18=342. 3/19=54/342, 18/18=342/342. Sum = 396/342 = 22/19 simplified.
fraction_operations
734,359
calculus
medium
What is the derivative of 4x^2 with respect to x?
8x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^2] = 4*2*x^1 = 8x.
derivative
734,360
arithmetic
easy
What is 9731 divided by 86? Give answer to 2 decimal places.
113.15
Calculate 9731/ 86 = 113.1512, rounded to 2 decimals is 113.15.
division
734,361
number_theory
medium
What is the LCM (least common multiple) of 74 and 23?
1702
LCM = |74*23| / GCD(74,23). GCD=1, so LCM=1702/1=1702.
lcm
734,362
percentages
easy
What is 37% of 380?
140.6
Calculate 37/100 * 380 = 0.37*380 = 140.6.
percentages
734,363
fractions
medium
What is 19/12 + 6/15? Give as simplified fraction.
119/60
Common denominator 12*15=180. 19/12=285/180, 6/15=72/180. Sum = 357/180 = 119/60 simplified.
fraction_operations
734,364
arithmetic
easy
What is 37 + 80 * 42? Remember order of operations.
3397
Order of operations (PEMDAS): first 80*42=3360, then 37+3360=3397.
basic_operations
734,365
arithmetic
easy
What is 747 + 907?
1654
Add the two numbers: 747 + 907 = 1654.
basic_operations
734,366
percentages
easy
What is 81% of 351?
284.31
Calculate 81/100 * 351 = 0.81*351 = 284.31.
percentages
734,367
algebra
medium
Solve for x: x^2 + 6x + 8 = 0
x = -2, -4
Factor: (x - -2)(x - -4) = x^2 -(-6)x + 8 = 0. So x = -2 or -4. Check sum = -6, product = 8.
quadratic
734,368
statistics
easy
What is the mean (average) of 70, 100, 67?
79
Mean = sum/count. Sum = 70+100+67=237. Count=3. Mean=237/3=79.0.
mean
734,369
algebra
easy
Solve for x: 15x - 24 = 156
12
Add 24 to both sides: 15x = 156+24=180. Then x = 180/15 = 12.
linear_equation
734,370
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
734,371
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
734,372
arithmetic
easy
What is 257 - 123?
134
Subtract: 257 - 123 = 134.
basic_operations
734,373
arithmetic
easy
What is 38313 / 99?
387
Divide: 38313 ÷ 99 = 387 because 99*387=38313.
division
734,374
algebra
easy
Solve for x: 6x + 34 = -32
-11
Subtract 34 from both sides: 6x = -32-34=-66. Then divide by 6: x = -66/6 = -11.
linear_equation
734,375
algebra
medium
Solve for x: x^2 + 4x + 3 = 0
x = -1, -3
Factor: (x - -1)(x - -3) = x^2 -(-4)x + 3 = 0. So x = -1 or -3. Check sum = -4, product = 3.
quadratic
734,376
percentages
easy
What is 94% of 538?
505.72
Calculate 94/100 * 538 = 0.94*538 = 505.72.
percentages
734,377
algebra
medium
Solve for x: x^2 - 7x - 18 = 0
x = -2, 9
Factor: (x - -2)(x - 9) = x^2 -(7)x + -18 = 0. So x = -2 or 9. Check sum = 7, product = -18.
quadratic
734,378
fractions
medium
What is 6/3 + 3/2? Give as simplified fraction.
7/2
Common denominator 3*2=6. 6/3=12/6, 3/2=9/6. Sum = 21/6 = 7/2 simplified.
fraction_operations
734,379
roots
easy
What is the square root of 2304?
48
Find number that when squared gives 2304. 48*48=2304, so sqrt(2304)=48.
square_roots
734,380
percentages
easy
What is 29% of 603?
174.87
Calculate 29/100 * 603 = 0.29*603 = 174.87.
percentages
734,381
calculus
medium
What is the derivative of 6x^4 with respect to x?
24x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^4] = 6*4*x^3 = 24x^3.
derivative
734,382
algebra
medium
Solve for x: x^2 - 10x + 9 = 0
x = 9, 1
Factor: (x - 9)(x - 1) = x^2 -(10)x + 9 = 0. So x = 9 or 1. Check sum = 10, product = 9.
quadratic
734,383
statistics
easy
What is the mean (average) of 69, 58, 95, 6?
57
Mean = sum/count. Sum = 69+58+95+6=228. Count=4. Mean=228/4=57.0.
mean
734,384
fractions
medium
What is 6/5 * 18/17? Give as simplified fraction.
108/85
Multiply numerators: 6*18=108. Denominators: 5*17=85. Simplify by gcd 1 to get 108/85.
fraction_operations
734,385
exponents
easy
What is 4^3?
64
4^3 means multiply 4 by itself 3 times: 4*4*4 = 64.
exponents
734,386
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
734,387
arithmetic
easy
What is 7072 / 32?
221
Divide: 7072 ÷ 32 = 221 because 32*221=7072.
division
734,388
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
734,389
arithmetic
easy
What is 34776 / 84?
414
Divide: 34776 ÷ 84 = 414 because 84*414=34776.
division
734,390
algebra
medium
Solve for x: x^2 - 6x - 16 = 0
x = 8, -2
Factor: (x - 8)(x - -2) = x^2 -(6)x + -16 = 0. So x = 8 or -2. Check sum = 6, product = -16.
quadratic
734,391
arithmetic
easy
What is 751 - 564?
187
Subtract: 751 - 564 = 187.
basic_operations
734,392
percentages
easy
What is 26% of 574?
149.24
Calculate 26/100 * 574 = 0.26*574 = 149.24.
percentages
734,393
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
734,394
arithmetic
easy
What is 17640 / 60?
294
Divide: 17640 ÷ 60 = 294 because 60*294=17640.
division
734,395
statistics
easy
What is the mean (average) of 15, 57, 59, 78, 42?
50.2
Mean = sum/count. Sum = 15+57+59+78+42=251. Count=5. Mean=251/5=50.2.
mean
734,396
number_theory
medium
What is the LCM (least common multiple) of 75 and 54?
1350
LCM = |75*54| / GCD(75,54). GCD=3, so LCM=4050/3=1350.
lcm
734,397
calculus
medium
What is the derivative of 8x^5 with respect to x?
40x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^5] = 8*5*x^4 = 40x^4.
derivative
734,398
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
734,399
statistics
easy
What is the mean (average) of 29, 90, 3?
40.67
Mean = sum/count. Sum = 29+90+3=122. Count=3. Mean=122/3=40.67.
mean
734,400
number_theory
medium
What is the LCM (least common multiple) of 43 and 4?
172
LCM = |43*4| / GCD(43,4). GCD=1, so LCM=172/1=172.
lcm