(a) 7/12

(b) 1/2

(c) 5/12

(d) 1

**Q2. There is a pyramid on a base which is a regular hexagon of side 2a cm. If Hight of this pyramid is of length 5a/2 cm, then the volume of this pyramid is**

**Q3. The average height of the students in a class of 10 is 105 cm. If 20 more students with an average height of 120 cm join the class, what will the new average height be**

(a) 105 cm

(b) 110 cm

(c) 112 cm

(d) 115 cm

**Q4. The arithmetic mean of 100 observations is 24, 6 is added to each of the observations and then each of them is multiplied by 2.5. Find the new arithmetic mean.**

(a) 30

(b) 75

(c) 35

(d) 60

**Q5. What will be simple interest for 1 yr and 4 months on a sum of Rs. 25800 at the rate of 14% per annum?**

(a) Rs. 4816

(b) Rs. 2580

(c) Rs. 4816.75

(d) Rs. 4815

**Q6. Rs. 1000 are invested at 5% p.a. simple interest. If the interest is added to the principal after every 10 years, the amount will become Rs. 2000 after**

(a) 15 years

(b) 50/3 years

(c) 18 years

(d) 20 years

**Q7. A rectangular carpet has an area of 120 square metres and a perimeter of 46m. The length of its diagonal is:**

(a) 11 m

(b) 13 m

(c) 15 m

(d) 17 m

**Q8. The area of a circle is increased by 22**

**cm^2 when its radius is increased by 1 cm. The original radius of the circle is:**

(a) 6 cm

(b) 3.2 cm

(c) 3 cm

(d) 3.5 cm

**Q9. A company offers three types of successive discounts. 1st : 25% and 15%; 2nd : 30% and 10%; 3rd : 35% and 5%. Which offer is better for a customer?**

(a) 1st

(b) 2nd

(c) 3rd

(d) all are equally good

**Q10. A dealer sold three-fourth of his articles at a gain of 24% and the remaining at the cost price. Percentage of gain in the transaction is**

(a) 15

(b) 18

(c) 24

(d) 32

(e) None of these

**Q11. Find the product of place value and face value of 5 in 65231**

(a) 28000

(b) 25000

(c) 30000

(d) 26000

**Q12. The ratio of incomes of A and B is 5 : 3 and that of their expenditures is 9 : 5. If they save Rs. 2600 and Rs. 1800 respectively, then their incomes are:**

(a) Rs. 9000, Rs. 5400

(b) Rs. 1000, Rs. 6000

(c) Rs. 6000, Rs. 3600

(d) Rs. 8000, Rs. 4800

(a) 2 : 3 : 5

(b) 15 : 10 : 6

(c) 5 : 3 : 2

(d) 6 : 10 : 15

**Q14. A man bought 5 shirts at Rs. 450 each, 4 trousers at Rs. 750 each and 12 pairs of shoes at Rs. 750 each. What is the average expenditure per article?**

(a) Rs. 678.5

(b) Rs. 800

(c) Rs. 900

(d) Rs. 1000

**Q15. The average of five consecutive natural numbers is m. if the next three natural number are also included, how much more than m will the average of these 8 number be?**

(a) 1

(b) 1.5

(c) 1.4

(d) 2