**Q1. The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio:**

(a) 2:3

(b) 4:9

(c) 3:2

(d) 9:4

**Q2. The ratio of two positive numbers is 3:4. The sum of their squares is 400. What is the sum of the numbers?**

(a) 28

(b) 22

(c) 24

(d) 26

**Q3. For what sum will the simple interest at R% for R years will be R?**

**Q4. Two circles touch each other externally. The distance between their centres is 7 cm. If the radius of one circle is 4 cm, then the radius of the other circle will be**

(a) 3 cm

(b) 4 cm

(c) 5.5 cm

(d) 3.5 cm

**Q5. Let ∆ABC and ∆ABD be on the same base AB and between the same parallels AB and CD. Then the relation between areas of triangles ∆ABC and ∆ABD will be**

**Q6. While selling a watch, a shop-keeper gives a discount of 5%. If he gives a discount of 7%, he earns 15 less as profit. The marked price of the watch is**

(a) 697.5

(b) 712.5

(c) 750

(d) None of the these

**Q7. A student, by mistake, wrote 64 in place of 46 as a number at the time of finding the average of 10 given numbers & got the average as 50. The correct average of the numbers is**

(a) 48.2

(b) 48

(c) 48.1

(d) 49

**Q8. The successive discount of 15%, 20% and 25% on an article is equivalent to the single discount of**

(a) 60%

(b) 47%

(c) 49%

(d) 40%

**Q9. If the ratio of cost price and selling price be 10:11, then the profit percentage is**

(a) 1%

(b) 10%

(c) 5%

(d) 8%

**Q10. Which of the set of three sides can’t form a triangle?**

(a) 5 cm, 6 cm, 7 cm

(b) 5 cm, 8 cm, 15 cm

(c) 8 cm, 15 cm, 18 cm

(d) 6 cm, 7 cm, 11 cm

**Solutions:**

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