1**– Goitre caused by the deficiency of ………**

1. Vitamin D

2. Iron

3. VItamin A

4. Iodine

**Ans:-** Iodine

**2- Who invented Napier’s Bones.**

1. John Napier

2. William Oughtred

3. Charles Babbage

4. Napier Bone

**Ans:-** John Napier

**3- The mass number of a nucleus is**

1. Always less than its atomic number

2. Always more than its atomic number

3. Sometimes more than and sometimes equal to its atomic number

4. None of the above

**Ans:-** Sometimes more than and sometimes equal to its atomic number

**4- A and B can do a piece of work in 45 days and 40 days respectively. They began to do the work together but A leaves after some days and then B completed the remaining work n 23 days. The number of days after which A left the work was**

1. 9

2. 11

3. 12

4. 15

**Ans:-** 9

**5- Sam and Mala have a conversation. Sam says I am certainly not over 40 Mala Says I am 38 and you are at least 5 years older than me · Now Sam says you are at least 39 all the statements by the two are false. How old are they really?**

1. Mala = 38 yrs, Sam =31 yrs.

2. Mala = 38 yrs, Sam = 41 yrs

3. Mala = 31 yrs, Sam = 41 yrs.

4. Mala = 45yrs, Sam = 41 yrs

**Ans:-** Mala = 38 yrs, Sam = 41 yrs

**6- What is the code name for Windows Vista?**

1. Longhorn

2. Longhund

3. Stackspray

4. Pearl

**Ans:-** Longhorn

**7- On sports day, if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made to stand in a column, how many columns could be formed?**

1. 20

2. 30

3. 40

4. 50

**Ans:-** 20

**8- The probability that a man will be alive for 25 years is 3/5 and the probability that his wife will be alive for 25 years is 2/3. Find the probability that only the man will be alive for 25 years.**

1. 2/5

2. 1/5

3. 3/5

4. 4/5

**Ans:-** 1/5

**9- In a single throw of a dice, what is the probability of getting a number greater than 4?**

1. 1/2

2. 2/3

3. 1/4

4. 1/3

**Ans:-** 1/3

**10- If every alternative letter starting from B of the English alphabet is written in small letter, rest all are written in capital letters, how the month “September” be written. (1) SeptEMbEr (2) SEpTeMBEr (3) SeptembeR (4) SepteMber (5) None of the above**

1. (1)

2. (2)

3. (3)

4. (5)

**Ans:-** (4)

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