1.A farmer owns a certain number of hens and cows. If the total count of heads is 48 and the total number of legs is 140, how many hens does he have?
2.A set of free notebooks was shared equally among the students in a class. Each student received a number of notebooks equal to one-eighth of the total number of students. If the number of students had been reduced to half, each student would have obtained 16 notebooks. What is the total number of notebooks distributed?
3.A man works 8 hours a day for 5 days each week. He earns Rs. 2.40 per hour for regular hours and Rs. 3.20 per hour for any overtime. If his total earnings in 4 weeks amount to Rs. 432, how many hours does he work in total?
4.What is the result of (492 multiplied by 182) divided by 324?
5.Find the value of ? in the equation: (33/4) × 4500 + ? = 118500.
6.Calculate the value of the expression: 2 + [2 + {2 + (2 + (2 + 23))}] = ?
7.If \( \frac{7 \frac{2}{5} \times 110}{?} = 844 \), what is the value of the unknown number?
8.What is the sum of 8 2/3 and 6 4/5?
9.Find the value of ? in the equation: (815 ÷ ?) ÷ 100 × 28 × 3 − (815 × 14 × 6) ÷ 100 = 1680.
10.If 20% of 40 plus a certain percentage of 80 equals 120, what is that percentage?
11.Find the value of ? if the cube root of (? divided by 9261) equals 11/21.
12.Find the value of '?' in the equation: (98 ÷ 7 ÷ 2) ÷ ? = 14.
13.What number should replace the question mark in the equation (24 × 5 × 7 × 9) ÷ ? = 216?
14.Calculate the sum of 2222.2, 222.22, and 22.222.
15.Calculate the value of 2003 multiplied by 2004 minus 2001 multiplied by 2002.
16.Calculate the value of ? if three-sevenths of four-ninths of two-fifths of 7560 equals ? squared.
17.If 32% of 425 minus what percentage of 250 equals 36, what is the missing percentage?
18.What number raised to the power of 3 equals the product of 6.4 and 1.25?
19.Calculate the result of subtracting 1236 and 4652 from 7394: 7394 - 1236 - 4652 = ?
20.Calculate the value of ? if 1252 multiplied by 23, then added to 35,000, equals ? squared.