In these type of questions just write equations according to the given condition and solve these equations to get value of those numbers.

detailed Video Explanation on Youtube

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Some questions for practice

**Q1. **If sum of two number is 35 and their difference is 5 then greatest number is

**a.** 15 **b.** 20 **c.** 35 **d.** 25

**Q2. **Sum of two positive number is 25 and their product is 144 then their difference is

**a.** 3 **b.** 5 **c.** 7 **d.** 11

**Q3. **Sum and product of two number is 42 and 437 then their difference is

**a.** 3 **b.** 4 **c.** 5 **d.** 7

**Q4.** if sum of two number is 20 and their difference is 14 then their product is

**a.** 56 **b.** 49 **c.** 51 **d.** 54

**Q5. ** if difference of two number is 5 and their product is 336 the sum of these numbers is

**a.** 21 **b.** 37 **c.** 28 **d.** 51

**Q6. **product of two number is 336 and their sum is 28 more then their difference then numbers are

**a.** 42, 8 **b.** 24, 14 **c.** 21, 16 **d.** 48, 7

**Q7. **if sum of two numbers is 24 and their product is 143 then sum of square of these numbers

**a.** 296 **b.** 295 **c.** 290 **d.** 228

**Q8. **sum of two numbers is 16 and their product is 55 then sum of their reciprocal is

**a.** 16/55 **b.** 27/55 **c.** 37/55 **d.** 38/55

**Q9.** Sum and product of two number is 12 and 35 respectively then sum of their reciprocal is

**a.** 1/3 **b.** 1/5 **c.** 12/35 **d.** 35/12

**Q10.** If sum of two numbers is 40 and their product is 375 then sum of their reciprocal is

**a.** 8/75 **b.** 75/8 **c.** 1/40 **d.** 75/4

**Answer Key**

**1. **b **2. **c **3. **b **4. **c **5. **b

**6. **b **7. **c **8. **a** ** **9. **c **10.** a