Math Quiz

**Question 1. Annual income of A is 10% more than of B whereas income of B is 20% more than that of C. If monthly income of C is $ 2000 then what is the sum of monthly incomes of A, B and C?**

**Question 2. $ 2496 is spend in the floor repair of 30 × 16 ft hall. What is repair cost per square feet?**

**Question 3. $ 600 becomes $ 720 in 4 years when the interest is simple. If the rate of interest is increased by 2%, then what will be total amount?**

**Question 4. ^{3}/_{7} of ^{4}/_{9} of ^{7}/_{12} of 882 = ?**

**Question 5. 45% of 640 + 64% of 450 = ? % of 1440**

**Question 6. 3456 ÷ 12 ÷ 8 = ?**

**Question 7. 839.093 + 31.005 – 136.048 = ?**

**Question 8. Of what number the ^{2}/_{5} of ^{5}/_{8} of ^{4}/_{7} = 22?**

**Question 9. In a two digit number, the digit in the unit’s place is two more than the three times of the digit in ten’s place. If the sum of the two digits is 6, the number is **

**Question 10. Take out the wrong number from the given series.
3, 4, 9, 33, 136, 685, 4116
**