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
4,401
geometry
easy
Find the area of a triangle with base 26 and height 81.
1053
Area = 0.5*base*height = 0.5*26*81 = 1053.
triangle_area
4,402
calculus
medium
What is the derivative of 10x^7 with respect to x?
70x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^7] = 10*7*x^6 = 70x^6.
derivative
4,403
number_theory
medium
What is the LCM (least common multiple) of 13 and 49?
637
LCM = |13*49| / GCD(13,49). GCD=1, so LCM=637/1=637.
lcm
4,404
fractions
medium
What is 8/12 - 2/12? Give as simplified fraction.
1/2
Common denominator 144. Numerator 96-24=72. So 72/144 simplifies to 1/2.
fraction_operations
4,405
statistics
easy
What is the mean (average) of 69, 43, 64?
58.67
Mean = sum/count. Sum = 69+43+64=176. Count=3. Mean=176/3=58.67.
mean
4,406
percentages
easy
What is 56% of 981?
549.36
Calculate 56/100 * 981 = 0.56*981 = 549.36.
percentages
4,407
arithmetic
easy
What is 18 * 30?
540
Multiply: 18 * 30 = 540.
basic_operations
4,408
arithmetic
easy
What is 95 + 10 * 53? Remember order of operations.
625
Order of operations (PEMDAS): first 10*53=530, then 95+530=625.
basic_operations
4,409
word_problems
easy
If you have 96 books and you buy 9 more books, how many books do you have in total?
105
Add initial 96 plus bought 9: 96+9=105.
addition_word
4,410
fractions
medium
What is 7/13 - 4/3? Give as simplified fraction.
-31/39
Common denominator 39. Numerator 21-52=-31. So -31/39 simplifies to -31/39.
fraction_operations
4,411
arithmetic
easy
What is 941 + 602?
1543
Add the two numbers: 941 + 602 = 1543.
basic_operations
4,412
word_problems
easy
If you have 31 dollars and you buy 6 more dollars, how many dollars do you have in total?
37
Add initial 31 plus bought 6: 31+6=37.
addition_word
4,413
percentages
easy
What is 79% of 122?
96.38
Calculate 79/100 * 122 = 0.79*122 = 96.38.
percentages
4,414
arithmetic
easy
What is 96 * 81?
7776
Multiply: 96 * 81 = 7776.
basic_operations
4,415
percentages
easy
What is 6% of 488?
29.28
Calculate 6/100 * 488 = 0.06*488 = 29.28.
percentages
4,416
geometry
easy
Find the area of a triangle with base 22 and height 85.
935
Area = 0.5*base*height = 0.5*22*85 = 935.
triangle_area
4,417
arithmetic
easy
What is 949 + 863?
1812
Add the two numbers: 949 + 863 = 1812.
basic_operations
4,418
roots
easy
What is the square root of 49?
7
Find number that when squared gives 49. 7*7=49, so sqrt(49)=7.
square_roots
4,419
arithmetic
easy
What is 36 * 1?
36
Multiply: 36 * 1 = 36.
basic_operations
4,420
number_theory
medium
What is the LCM (least common multiple) of 46 and 97?
4462
LCM = |46*97| / GCD(46,97). GCD=1, so LCM=4462/1=4462.
lcm
4,421
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
4,422
arithmetic
easy
What is 684 + 282?
966
Add the two numbers: 684 + 282 = 966.
basic_operations
4,423
percentages
easy
What is 95% of 47?
44.65
Calculate 95/100 * 47 = 0.95*47 = 44.65.
percentages
4,424
algebra
medium
Solve for x: x^2 + 8x + 16 = 0
x = -4
Factor as (x - -4)^2 = 0, so root is -4 (double root). Sum of roots = -8, product = 16.
quadratic
4,425
fractions
medium
What is 5/11 * 15/3? Give as simplified fraction.
25/11
Multiply numerators: 5*15=75. Denominators: 11*3=33. Simplify by gcd 3 to get 25/11.
fraction_operations
4,426
word_problems
easy
If you have 33 books and you buy 40 more books, how many books do you have in total?
73
Add initial 33 plus bought 40: 33+40=73.
addition_word
4,427
arithmetic
easy
What is 121 + 744?
865
Add the two numbers: 121 + 744 = 865.
basic_operations
4,428
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
4,429
algebra
easy
Solve for x: 3x - 30 = 0
10
Add 30 to both sides: 3x = 0+30=30. Then x = 30/3 = 10.
linear_equation
4,430
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
4,431
number_theory
medium
What is the GCD (greatest common divisor) of 5 and 69?
1
Find greatest number dividing both 5 and 69. Divisors common, greatest is 1.
gcd
4,432
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
4,433
arithmetic
easy
What is 783 + 162 * 28? Remember order of operations.
5319
Order of operations (PEMDAS): first 162*28=4536, then 783+4536=5319.
basic_operations
4,434
arithmetic
easy
What is 6726 / 57?
118
Divide: 6726 ÷ 57 = 118 because 57*118=6726.
division
4,435
geometry
easy
Find the area of a triangle with base 92 and height 72.
3312
Area = 0.5*base*height = 0.5*92*72 = 3312.
triangle_area
4,436
roots
easy
What is the square root of 841?
29
Find number that when squared gives 841. 29*29=841, so sqrt(841)=29.
square_roots
4,437
algebra
medium
Solve for x: x^2 - 16x + 63 = 0
x = 9, 7
Factor: (x - 9)(x - 7) = x^2 -(16)x + 63 = 0. So x = 9 or 7. Check sum = 16, product = 63.
quadratic
4,438
fractions
medium
What is 15/15 - 6/16? Give as simplified fraction.
5/8
Common denominator 240. Numerator 240-90=150. So 150/240 simplifies to 5/8.
fraction_operations
4,439
roots
easy
What is the square root of 289?
17
Find number that when squared gives 289. 17*17=289, so sqrt(289)=17.
square_roots
4,440
fractions
medium
What is 1/8 - 13/11? Give as simplified fraction.
-93/88
Common denominator 88. Numerator 11-104=-93. So -93/88 simplifies to -93/88.
fraction_operations
4,441
word_problems
easy
If you have 16 apples and you buy 38 more apples, how many apples do you have in total?
54
Add initial 16 plus bought 38: 16+38=54.
addition_word
4,442
algebra
easy
Solve for x: 2x - 21 = 7
14
Add 21 to both sides: 2x = 7+21=28. Then x = 28/2 = 14.
linear_equation
4,443
arithmetic
easy
What is 17958 / 73?
246
Divide: 17958 ÷ 73 = 246 because 73*246=17958.
division
4,444
arithmetic
easy
What is 531 + 185?
716
Add the two numbers: 531 + 185 = 716.
basic_operations
4,445
percentages
easy
What is 7% of 521?
36.47
Calculate 7/100 * 521 = 0.07*521 = 36.47.
percentages
4,446
arithmetic
easy
What is 248 + 552?
800
Add the two numbers: 248 + 552 = 800.
basic_operations
4,447
arithmetic
easy
What is 18 + 23 * 43? Remember order of operations.
1007
Order of operations (PEMDAS): first 23*43=989, then 18+989=1007.
basic_operations
4,448
statistics
easy
What is the mean (average) of 18, 29, 90?
45.67
Mean = sum/count. Sum = 18+29+90=137. Count=3. Mean=137/3=45.67.
mean
4,449
arithmetic
easy
What is 531 + 152 * 80? Remember order of operations.
12691
Order of operations (PEMDAS): first 152*80=12160, then 531+12160=12691.
basic_operations
4,450
arithmetic
easy
What is 779 + 756 * 42? Remember order of operations.
32531
Order of operations (PEMDAS): first 756*42=31752, then 779+31752=32531.
basic_operations
4,451
geometry
easy
Find the area of a circle with radius 2. Use pi=3.14159, round to 2 decimals.
12.57
Area = pi*r^2 = 3.14159*2^2 = 3.14159*4 = 12.57.
circle_area
4,452
arithmetic
easy
What is 784 + 12?
796
Add the two numbers: 784 + 12 = 796.
basic_operations
4,453
arithmetic
easy
What is 884 + 830 * 93? Remember order of operations.
78074
Order of operations (PEMDAS): first 830*93=77190, then 884+77190=78074.
basic_operations
4,454
algebra
medium
Solve for x: x^2 - 18x + 80 = 0
x = 10, 8
Factor: (x - 10)(x - 8) = x^2 -(18)x + 80 = 0. So x = 10 or 8. Check sum = 18, product = 80.
quadratic
4,455
arithmetic
easy
What is 705 - 85?
620
Subtract: 705 - 85 = 620.
basic_operations
4,456
arithmetic
easy
What is 23316 / 58?
402
Divide: 23316 ÷ 58 = 402 because 58*402=23316.
division
4,457
arithmetic
easy
What is 4 + 93 * 96? Remember order of operations.
8932
Order of operations (PEMDAS): first 93*96=8928, then 4+8928=8932.
basic_operations
4,458
number_theory
medium
What is the GCD (greatest common divisor) of 41 and 49?
1
Find greatest number dividing both 41 and 49. Divisors common, greatest is 1.
gcd
4,459
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
4,460
algebra
medium
Solve for x: x^2 + 1x - 56 = 0
x = -8, 7
Factor: (x - -8)(x - 7) = x^2 -(-1)x + -56 = 0. So x = -8 or 7. Check sum = -1, product = -56.
quadratic
4,461
algebra
easy
Solve for x: 20x + 35 = 355
16
Subtract 35 from both sides: 20x = 355-35=320. Then divide by 20: x = 320/20 = 16.
linear_equation
4,462
statistics
easy
What is the mean (average) of 63, 67, 99, 10?
59.75
Mean = sum/count. Sum = 63+67+99+10=239. Count=4. Mean=239/4=59.75.
mean
4,463
algebra
easy
Solve for x: 6x + 47 = 35
-2
Subtract 47 from both sides: 6x = 35-47=-12. Then divide by 6: x = -12/6 = -2.
linear_equation
4,464
arithmetic
easy
What is 322 + 389?
711
Add the two numbers: 322 + 389 = 711.
basic_operations
4,465
word_problems
easy
If you have 8 pencils and you buy 3 more pencils, how many pencils do you have in total?
11
Add initial 8 plus bought 3: 8+3=11.
addition_word
4,466
arithmetic
easy
What is 3 + 678?
681
Add the two numbers: 3 + 678 = 681.
basic_operations
4,467
roots
easy
What is the square root of 36?
6
Find number that when squared gives 36. 6*6=36, so sqrt(36)=6.
square_roots
4,468
number_theory
medium
What is the LCM (least common multiple) of 93 and 67?
6231
LCM = |93*67| / GCD(93,67). GCD=1, so LCM=6231/1=6231.
lcm
4,469
algebra
easy
Solve for x: 13x - 2 = 206
16
Add 2 to both sides: 13x = 206+2=208. Then x = 208/13 = 16.
linear_equation
4,470
arithmetic
easy
What is 6784 / 32?
212
Divide: 6784 ÷ 32 = 212 because 32*212=6784.
division
4,471
percentages
easy
What is 42% of 379?
159.18
Calculate 42/100 * 379 = 0.42*379 = 159.18.
percentages
4,472
arithmetic
easy
What is 49 + 94 * 22? Remember order of operations.
2117
Order of operations (PEMDAS): first 94*22=2068, then 49+2068=2117.
basic_operations
4,473
arithmetic
easy
What is 641 + 482 * 7? Remember order of operations.
4015
Order of operations (PEMDAS): first 482*7=3374, then 641+3374=4015.
basic_operations
4,474
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
4,475
word_problems
easy
If you have 84 apples and you buy 23 more apples, how many apples do you have in total?
107
Add initial 84 plus bought 23: 84+23=107.
addition_word
4,476
algebra
medium
Solve for x: x^2 + 14x + 48 = 0
x = -6, -8
Factor: (x - -6)(x - -8) = x^2 -(-14)x + 48 = 0. So x = -6 or -8. Check sum = -14, product = 48.
quadratic
4,477
arithmetic
easy
What is 275 + 822?
1097
Add the two numbers: 275 + 822 = 1097.
basic_operations
4,478
geometry
easy
Find the area of a triangle with base 16 and height 72.
576
Area = 0.5*base*height = 0.5*16*72 = 576.
triangle_area
4,479
arithmetic
easy
What is 641 - 268?
373
Subtract: 641 - 268 = 373.
basic_operations
4,480
algebra
medium
Solve for x: x^2 - 12x + 35 = 0
x = 7, 5
Factor: (x - 7)(x - 5) = x^2 -(12)x + 35 = 0. So x = 7 or 5. Check sum = 12, product = 35.
quadratic
4,481
statistics
easy
What is the mean (average) of 67, 25, 49?
47
Mean = sum/count. Sum = 67+25+49=141. Count=3. Mean=141/3=47.0.
mean
4,482
fractions
medium
What is 17/4 + 13/10? Give as simplified fraction.
111/20
Common denominator 4*10=40. 17/4=170/40, 13/10=52/40. Sum = 222/40 = 111/20 simplified.
fraction_operations
4,483
algebra
easy
Solve for x: 3x - 32 = -17
5
Add 32 to both sides: 3x = -17+32=15. Then x = 15/3 = 5.
linear_equation
4,484
exponents
easy
What is 4^4?
256
4^4 means multiply 4 by itself 4 times: 4*4*4*4 = 256.
exponents
4,485
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
4,486
algebra
medium
Solve for x: x^2 + 13x + 30 = 0
x = -10, -3
Factor: (x - -10)(x - -3) = x^2 -(-13)x + 30 = 0. So x = -10 or -3. Check sum = -13, product = 30.
quadratic
4,487
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
4,488
algebra
easy
Solve for x: 12x + 42 = 198
13
Subtract 42 from both sides: 12x = 198-42=156. Then divide by 12: x = 156/12 = 13.
linear_equation
4,489
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
4,490
arithmetic
easy
What is 20172 / 41?
492
Divide: 20172 ÷ 41 = 492 because 41*492=20172.
division
4,491
word_problems
easy
If you have 10 dollars and you buy 25 more dollars, how many dollars do you have in total?
35
Add initial 10 plus bought 25: 10+25=35.
addition_word
4,492
calculus
medium
What is the derivative of 6x^3 with respect to x?
18x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^3] = 6*3*x^2 = 18x^2.
derivative
4,493
number_theory
medium
What is the GCD (greatest common divisor) of 97 and 38?
1
Find greatest number dividing both 97 and 38. Divisors common, greatest is 1.
gcd
4,494
algebra
medium
Solve for x: x^2 + 1x - 6 = 0
x = 2, -3
Factor: (x - 2)(x - -3) = x^2 -(-1)x + -6 = 0. So x = 2 or -3. Check sum = -1, product = -6.
quadratic
4,495
number_theory
medium
What is the GCD (greatest common divisor) of 44 and 70?
2
Find greatest number dividing both 44 and 70. Divisors common, greatest is 2.
gcd
4,496
exponents
easy
What is 5^2?
25
5^2 means multiply 5 by itself 2 times: 5*5 = 25.
exponents
4,497
arithmetic
easy
What is 482 - 387?
95
Subtract: 482 - 387 = 95.
basic_operations
4,498
exponents
easy
What is 10^2?
100
10^2 means multiply 10 by itself 2 times: 10*10 = 100.
exponents
4,499
percentages
easy
What is 94% of 112?
105.28
Calculate 94/100 * 112 = 0.94*112 = 105.28.
percentages
4,500
number_theory
medium
What is the GCD (greatest common divisor) of 31 and 72?
1
Find greatest number dividing both 31 and 72. Divisors common, greatest is 1.
gcd